CAN COMMUNICATION SYSTEM(w/o Central Gateway ECU) DIAGNOSIS SYSTEM

ECUS OR SENSORS WHICH COMMUNICATE THROUGH CAN COMMUNICATION SYSTEM

1. V Bus

   
   

   1. ECM

   2. Brake booster with master cylinder assembly (Skid control ECU)

   3. Main body ECU (Multiplex network body ECU)

   4. Yaw rate sensor

   5. Power steering ECU assembly

   6. Certification ECU (Smart key ECU assembly)

   7. Airbag ECU assembly

   8. Spiral cable with sensor sub-assembly (Steering angle sensor)

   9. Power management control ECU

   10. Transmission control ECU assembly

   11. Combination meter sub-assembly

   12. Navigation receiver assembly*1

   13. Radio and display receiver assembly*2

2. Sub bus 11

   
   

   1. Power management control ECU

   2. Driving support ECU assembly*3

   3. Lane departure warning camera*4

   4. Parking assist ECU*5

3. Sub bus 12

   
   

   1. Power management control ECU

   2. ECM

   3. Brake booster with master cylinder assembly (Skid control ECU)

   4. Air conditioning amplifier assembly

4. Sub bus 13*3

   
   

   1. Driving support ECU assembly

   2. Millimeter wave radar sensor assembly

      Tech Tips

      *1: for Navigation Receiver Type

      *2: for Radio and Display Type

      *3: w/ Pre-crash Safety System

      *4: w/ Lane Departure Alert System

      *5: w/ Intelligent Parking Assist System

CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT ADOPT CAN COMMUNICATION

1. The systems (ECUs and sensors) that adopt CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle.

   ECU/Sensor Name	GTS Display	Applicability
   ECM	ECM (Engine)	Installed on all vehicles
   Power management control ECU	Hybrid Vehicle Control Power Management1	Installed on all vehicles
   Transmission control ECU assembly	Transmission Control	Installed on all vehicles
   Power steering ECU assembly	Power Steering (EPS)	Installed on all vehicles
   Brake booster with master cylinder assembly (Skid control ECU)	Skid Control (ABS/VSC/TRAC)	Installed on all vehicles
   Spiral cable with sensor sub-assembly (Steering angle sensor)	Spiral cable (Steering Angle Sensor)	Installed on all vehicles
   Yaw rate sensor	Yaw Rate Sensor	Installed on all vehicles
   Airbag ECU assembly	Airbag	Installed on all vehicles
   Main body ECU (Multiplex network body ECU)	Main Body	Installed on all vehicles
   Certification ECU (Smart key ECU assembly)	Certification (Smart)	Installed on all vehicles
   Air conditioning amplifier assembly	Air Conditioning Amplifier	Installed on all vehicles
   Combination meter sub-assembly	Combination Meter	Installed on all vehicles
   Navigation receiver assembly	Display and Navigation (AVN1)	Vehicles with navigation receiver type
   Radio and display receiver assembly	Display and Navigation (AVN1)	Vehicles with radio and display type
   Parking assist ECU	Parking Assist (Intelligent Parking Assist)	Vehicles with intelligent parking assist system
   Driving support ECU assembly	Driving Support (Cruise Control-ACC)	Vehicles with pre-crash safety system
   Lane departure warning camera	Front Camera Module	Vehicles with lane departure alert system
   Millimeter wave radar sensor assembly	-	Vehicles with pre-crash safety system

   Tech Tips

   The names of ECUs and sensors shown on the GTS display may differ from those shown in the DTC Table by ECU section.

CAN BUS CHECK

1. Using the GTS, select the CAN Bus Check screen.

   Note

   
   

   • It may be possible to select buses that do not have ECUs or sensors from the bus selection pull-down menu. This is not a malfunction. (This occurs when optional devices are not on a sub bus that is monitored by a gateway function equipped ECU.)

   • In the bus selection pull down menu, all buses applicable to the model are displayed (e.g. LIN communication buses are also displayed). Therefore, refer to the wiring diagrams to check the names of sub buses for CAN communication Click here.

   Tech Tips

   Different connection statuses are indicated by the background color of ECUs and sensors that are displayed.

   Explanation of CAN Bus Check Screen

   Bus Type	Background Color	Connection Status
   V Bus	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Sub Bus (gateway function equipped ECU that does not have history of connected ECUs)*2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Sub Bus (gateway function equipped ECU that has history of connected ECUs)*3	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Currently not communicating (either of the following): Communication stop has continued since the start of the CAN bus check. Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring.
   	Not displayed	Either of the following: If a gateway function equipped ECU cannot communicate, the sub bus and ECUs connected to the sub bus will not be displayed. If no ECUs are connected to the sub bus, ''There is no system found on the Communication Bus'' will be displayed.

   Tech Tips

   
   

   • Gateway function equipped ECUs relay signals between the ECUs connected to the different buses.

   • *1: ECUs that are present in the vehicle but are not displayed on the CAN Bus Check screen.

   • *2: Gateway function equipped ECU that does not memorize the sub bus ECUs that are connected to it.

   • *3: Gateway function equipped ECU that memorizes the sub bus ECUs that are connected to it.

   • If none of the connected ECUs are displayed, or there is no response from the vehicle to the GTS, check the DLC3 branch and the V bus main bus lines for a malfunction.

2. Observe the connection response screen for approximately 2 minutes to check for a change in connection status of the connected ECUs and sensors.

   Tech Tips

   
   

   • If an open occurs in one of the lines of a CAN branch (except DLC3), output from the other branch line (the line that is not open) will be unstable and it may interfere with the response (display) of other ECUs and sensors.

   • If the connection status changes during the inspection, repair the open in the branch line of the ECU or sensor that does not respond (is not detected) and then perform the CAN bus check again.

HOW TO INTERPRET CAN BUS CHECK SCREEN

1. When a communication stop is currently occurring, the probable malfunctioning part can be determined from the CAN bus check and by using the following methods.

   Note

   The following CAN bus wiring diagram is provided only as an example. This wiring diagram is different from the actual wiring diagram for this vehicle.

   Tech Tips

   
   

   • When a communication stop is currently occurring, it is easier to determine the probable malfunctioning part from the CAN bus check rather than from communication DTCs.

   • Wait for approximately 2 minutes after turning the power switch on (IG) (or simulate the driving conditions that enable the malfunction to be reproduced) and select "CAN Bus Check". Then observe the communication status of each ECU on the screen.

2. If a communication error of only 1 ECU or sensor is indicated on the CAN Bus Check screen, a communication stop of the ECU or sensor is suspected.

   Example: Open in both CAN branch lines of ECU B on the V bus

   

   Text in Illustration

   *a	V Bus	*b	Sub Bus
   *c	Terminating Resistor	*d	Location of Malfunction
   *e	Not displayed or background color changes to red or yellow	*f	CAN Bus Check Screen

   Tech Tips

   When there are communication stops, ECUs are present in the vehicle even though they are not displayed on the CAN Bus Check screen.

3. 

   Text in Illustration

   *a	Background color periodically changes to yellow or red
   *b	Not displayed or background color is yellow or red
   *c	Not displayed

   If communication errors for multiple ECUs or sensors are indicated on the CAN Bus Check screen, then a communication stop of the ECU or sensor that shows a more serious communication stop (an ECU or a sensor which is not displayed) is suspected.

   Example: Open in a CAN branch line for ECU D on the V bus

   Explanation of CAN Bus Check Screen

   Bus Type	Background Color	Connection Status
   V Bus	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Sub Bus (gateway function equipped ECU that does not have history of connected ECUs)*2	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring (unstable communication).
   	Not displayed	Communication stop has continued since the start of the CAN bus check.*1
   Sub Bus (gateway function equipped ECU that has history of connected ECUs)*3	White	Communication has been normal since the start of the CAN bus check.
   	Yellow	Communication stop occurred at least once since the start of the CAN bus check, but communication is currently occurring (unstable communication).
   	Red	Currently not communicating (either of the following): Communication stop has continued since the start of the CAN bus check. Communication was established at least once since the start of the CAN bus check, but communication is currently not occurring.
   	Not displayed	Either of the following: If a gateway function equipped ECU cannot communicate, the sub bus and ECUs connected to the sub bus will not be displayed. If no ECUs are connected to the sub bus, ''There is no system found on the Communication Bus'' will be displayed.

   Tech Tips

   
   

   • Gateway function equipped ECUs relay signals between the ECUs connected to the different buses.

   • *1: ECUs that are present in the vehicle but are not displayed on the CAN Bus Check screen.

   • *2: Gateway function equipped ECU that does not memorize the sub bus ECUs that are connected to it.

   • *3: Gateway function equipped ECU that memorizes the sub bus ECUs that are connected to it.

   • The example of the CAN Bus Check screen in the illustration shows the result of electrical noise on the CAN bus which is caused by an open in a CAN branch line of ECU D (output from the other branch line is unstable) and the communication of ECU C is also unstable. In addition, in this example, ECU C is equipped with a gateway function. Therefore, communication is also unstable between the sub bus ECUs of ECU C and the V bus.

   • The example in the illustration shows that ECU D is not displayed on the CAN Bus Check screen. This indicates a more significant communication stop. In this case, a communication stop of ECU D is suspected.

4. 

   Text in Illustration

   *a	Not displayed or background color changes to red

   If a communication error is indicated on both the V bus and sub bus on the CAN Bus Check screen, suspect any communication stop displayed for the V bus first.

   Example: Open in both CAN branch lines of ECU C on the V bus

   Tech Tips

   
   

   • In the CAN bus check, it is possible to confirm the communication status of ECUs connected to the V bus after connecting the GTS to the DLC3. As for sub buses, it is possible to confirm which sub bus connected ECUs can communicate with a gateway function equipped ECU on the V bus.

   • If a gateway function equipped ECU has a communication error, ECUs connected to the gateway function equipped ECU are also affected, and communication stops will be indicated.

   • The CAN Bus Check screen in the illustration shows that ECU C has a gateway function and a communication stop in ECU C is suspected.

5. 

   Text in Illustration

   *a	Background color changes to red

   If the CAN Bus Check screen indicates a communication stop only in the sub bus, a communication stop in the sub bus is suspected.

   Example: Open in both CAN branch lines of ECU G on the sub bus

   Tech Tips

   
   

   • A communication error in a sub bus does not affect the V bus or other buses.

   • When a gateway function equipped ECU has memorized the ECUs that are connected to the sub bus, if any of the ECUs connected to the gateway function equipped ECU has a communication error, the background color changes to yellow or red. (The displayed name will not disappear.)

6. If both of the V bus main bus lines are open, ECUs or sensors that are located farther away from the DLC3 than the open part will be displayed as a communication stop on the CAN Bus Check screen.

   (In this case, ECU A and B are not displayed or their background color changes to red.)

   

   Text in Illustration

   *a	V Bus	*b	Sub Bus
   *c	Terminating Resistor	*d	Location of Malfunction
   *e	Not displayed or background color is red	*f	CAN Bus Check Screen

   Tech Tips

   If a communication error occurs in an ECU, it is not displayed on the CAN Bus Check screen even though the ECU is present.

7. If both of the sub bus main bus lines are open, ECUs that are located farther away from the gateway function equipped ECU than the open part will be displayed as a communication stop on the CAN Bus Check screen.

   (In this case, ECU I and J are not displayed or their background color changes to red.)

   

   Text in Illustration

   *a	V Bus	*b	Sub Bus
   *c	Terminating Resistor	*d	Location of Malfunction
   *e	Not displayed or background color is red	*f	CAN Bus Check Screen
   *g	Gateway Function Equipped ECU	-	-

8. 

   Text in Illustration

   *a	When any of the following malfunctions occur on the V bus
   *b	When any of the following malfunctions occur on a sub bus
   *c	Not displayed

   When any of the following malfunctions occur, CAN communication cannot be established and almost all ECUs and sensors on the bus show a communication error on the CAN Bus Check screen.

   Details of Malfunction

   Short between CAN lines (CANH and CANL)

   Short between a CAN line (CANH or CANL) and +B

   Short between a CAN line (CANH or CANL) and ground

   Open in a CAN main bus line

   Tech Tips

   
   

   • When a malfunction occurs on the V bus, almost all ECUs and sensors on the V bus and sub bus indicate a communication error (almost all ECUs are not displayed). As communication with the gateway function equipped ECU that is connected to the V bus stops, communication from the ECUs connected to the sub bus that is monitored by the gateway function equipped ECU also stops (these ECUs are not displayed).

   • When a malfunction occurs in a sub bus, almost all ECUs connected to the sub bus indicate a communication error.

   • A communication error in a sub bus does not affect the V bus or other buses.

   • The malfunctioning part can be determined by checking for a short circuit between CAN bus lines or between a CAN bus line and ground or +B short using an electrical tester.

HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U)

DTC TABLE BY ECU

1. Power Management Control ECU / GTS Display "Hybrid Control"

   Power Management Control ECU / GTS Display "Hybrid Control"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM/PCM "A"	The power management control ECU does not receive data from the ECM for 0.68 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 1.68 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0110*1	Lost Communication with Drive Motor Control Module ''A''	Either condition is met: The power management control ECU does not receive data from the MG ECU for 0.11 seconds or more. The power management control ECU (HV CPU) does not send data to the MG ECU for 0.04 seconds or more.	Both conditions are met: The power switch is on (IG) for 0.1 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 0.21 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0129	Lost Communication with Brake System Control Module	The power management control ECU (HV CPU) does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 2.34 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4.34 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0140	Communication Error from Body ECU to HV ECU	The power management control ECU (HV CPU) does not receive data from the main body ECU (multiplex network body ECU) for 3.6 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4.6 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0151	Communication Error from Airbag ECU to HV ECU	The power management control ECU (HV CPU) does not receive data from the airbag ECU assembly for 10.6 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 11.6 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0164	Communication Error from A/C ECU to HV ECU	The power management control ECU (HV CPU) does not receive data from the air conditioning amplifier assembly for 10.6 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 11.6 seconds.	-	DTC is stored until it is cleared using the GTS.
   U029A*2	Lost Communication with Hybrid Battery Pack Sensor Module	The power management control ECU (HV CPU) does not receive data from the battery smart unit for 0.52 seconds or more.	The power switch is on (IG) for 0.5 seconds or more.	Turn the power switch on (IG) and wait at least 1.02 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U0424*1	Invalid Data Received from HVAC Control Module	The power management control ECU (HV CPU) receives an abnormal operation value command from the air conditioning amplifier assembly for 3 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4 seconds.	-	DTC is stored until it is cleared using the GTS.
   U1104*3	Lost Communication with Driving Support ECU	The power management control ECU (HV CPU) does not receive data from the driving support ECU assembly for 1.02 seconds or more.	All conditions are met: The power switch is on (IG) for 2.1 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 3.12 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.
   U1107	Lost Communication with Power Management Module	The power management control ECU (HV CPU) does not receive data from the power management control ECU (power management CPU) for 3.6 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4.6 seconds.	HV system warning light turns on.	DTC is stored until it is cleared using the GTS.

   Tech Tips

   
   

   • This ECU uses the CAN communication system for DTC communication.

   • The power management control ECU stores DTCs for the dynamic radar cruise control system.

   • *1: Refer to Hybrid Control System Click here.

   • *2: Refer to Hybrid Battery System Click here.

   • *3: Dynamic radar cruise control system DTC.

2. Power Management Control ECU / GTS Display "Power Source Control"

   Power Management Control ECU / GTS Display "Power Source Control"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0129	Vehicle Speed Signal Communication	The power management control ECU (power management CPU) does not receive vehicle speed data from the brake booster with master cylinder assembly (skid control ECU) for 3 seconds or more	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 13 seconds.	Power switch indicator blinks in amber.	DTC is stored until it is cleared using the GTS.
   U0293*	HV ECU Communication	The power management control ECU (power management CPU) does not receive data from the power management control ECU (HV CPU) for 3.1 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 13.1 seconds.	-	DTC is stored until it is cleared using the GTS.

   Tech Tips

   
   

   • This ECU uses the CAN communication system for DTC communication.

   • The HV CPU and power management CPU are built into the power management control ECU.

   • *: If U0293 is output, CAN communication is normal. Refer to Entry and Start System (for Start Function) Click here.

3. Power Management Control ECU / GTS Display "Cruise Control"

   Power Management Control ECU / GTS Display "Cruise Control"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0122*	Lost Communication with Vehicle Dynamic Control Module	While the cruise control system is on (the system has been switched on using the ON/OFF button on the cruise control switch), the power management control ECU (HV CPU) does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 2.73 seconds or more.	Both conditions are met: The power switch is on (IG) for 2.1 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	After turning the power switch on (IG), turn the cruise control main switch on and wait for at least 4.83 seconds.	Cruise control indicator light (amber) illuminates. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.

   Tech Tips

   
   

   • This ECU uses the CAN communication system for DTC communication.

   • The power management control ECU stores DTCs for the cruise control system.

   • *: Cruise control system DTC.

4. Power Management Control ECU / GTS Display "PM1 Gateway"

   Power Management Control ECU / GTS Display "PM1 Gateway"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0104	Lost Communication with Cruise Control Module	The power management control ECU (gateway function) does not receive data from the driving support ECU assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U023A	Lost Communication with Front Camera Module	The power management control ECU (gateway function) does not receive data from the lane departure warning camera for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U1002	Lost Communication with Gateway Module	The power management control ECU detects communication errors between itself and the driving support ECU assembly, lane departure warning camera and parking assist ECU.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U110B	Lost Communication with Parking Assist Control Module "B"	The power management control ECU (gateway function) does not receive data from the parking assist ECU for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.

   Tech Tips

   
   

   • This ECU uses the CAN communication system for DTC communication.

   • A "PM1 Gateway" DTC indicates a communication error in sub bus 11.

5. Power Management Control ECU / GTS Display "PM2 Gateway"

   Power Management Control ECU / GTS Display "PM2 Gateway"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0100	Lost Communication with ECM / PCM	The power management control ECU (gateway function) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U0129	Lost Communication with Brake System Control Module	The power management control ECU (gateway function) does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U0164	Lost Communication with HVAC Control Module	The power management control ECU (gateway function) does not receive data from the air conditioning amplifier assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
   U1002	Lost Communication with Gateway Module	The power management control ECU detects communication errors between itself and the ECM, brake booster with master cylinder assembly (skid control ECU) and air conditioning amplifier assembly.	Both conditions are met: The power switch is on (IG) for 10 seconds or more. The power source voltage of the power management control ECU is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.

   Tech Tips

   
   

   • This ECU uses the CAN communication system for DTC communication.

   • A "PM2 Gateway" output DTC indicates a communication error in sub bus 12.

6. ECM / GTS Display "Engine and ECT"

   ECM / GTS Display "Engine and ECT"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0293	Lost Communication with HV ECU	The ECM does not receive data from the power management control ECU (HV CPU) for 0.576 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the ECM is 10.5 V or more.	Turn the power switch on (IG) and wait at least 1.576 seconds.	-	DTC is stored until it is cleared using the GTS.

   Tech Tips

   This ECU uses the CAN communication system for DTC communication.

7. Transmission Control ECU Assembly / GTS Display "Transmission Control"

   Transmission Control ECU Assembly / GTS Display "Transmission Control"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0146	Lost Communication with Body ECU	The transmission control ECU assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the transmission control ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.

   Tech Tips

   This ECU uses the CAN communication system for DTC communication.

8. Power Steering ECU Assembly / GTS Display "EMPS"

   Power Steering ECU Assembly / GTS Display "EMPS"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0129	Lost Communication with Brake System Control Module	The power steering ECU assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 2.3 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the power switch on (IG) and wait at least 4.3 seconds.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.
   U0293	Lost Communication with Hybrid Control Module	The power steering ECU assembly does not receive data from the power management control ECU (HV CPU) for 2.3 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the power switch on (IG) and wait at least 4.3 seconds.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.
   U1105	Lost Communication with Parking Assist ECU	The power steering ECU assembly does not receive data from the parking assist ECU for 1.34 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the power steering ECU assembly is 9 V or more.	Turn the power switch on (IG) and wait at least 3.34 seconds.	EPS warning light illuminates.	DTC remains stored only while malfunction is occurring.

   Tech Tips

   This ECU uses the CAN communication system for DTC communication.

9. Brake booster with master cylinder (Skid control ECU) / GTS Display "ABS/VSC/TRC"

   Brake booster with master cylinder (Skid control ECU) / GTS Display "ABS/VSC/TRC"

   DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
   U0073	Control Module Communication Bus OFF	One of the following conditions is met: The brake booster with master cylinder assembly (skid control ECU) keeps sending data to an ECU or a sensor for 5 seconds or more because a reception completion cannot be received. The yaw rate sensor, acceleration sensor or spiral cable with sensor sub-assembly (steering angle sensor) and brake booster with master cylinder assembly (skid control ECU) cannot communicate for 1 second or more. The following condition occurs 10 times in succession within 60 seconds: - The yaw rate sensor, acceleration sensor or spiral cable with sensor sub-assembly (steering angle sensor) cannot communicate with the brake booster with master cylinder assembly (skid control ECU) once or more within 5 seconds. The following condition occurs 10 times in succession: - The brake booster with master cylinder assembly (skid control ECU) cannot send/receive data (bus off) once or more within 0.1 seconds.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 60 seconds.	ABS warning light illuminates. Brake warning light illuminates (yellow). Slip warning light illuminates.	DTC is stored until it is cleared using the GTS.
   U0120	Lost Communication with Starter / Generator Control Module	The brake booster with master cylinder assembly (skid control ECU) does not receive data from the power management control ECU (power management CPU) for 3 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 4 seconds.	Brake warning light illuminates (yellow).	DTC is stored until it is cleared using the GTS.
   U0123	Lost Communication with Yaw Rate Sensor Module	Either condition is met: The brake booster with master cylinder assembly (skid control ECU) does not receive data from the yaw rate sensor for 1 second or more. The following condition occurs 10 times in succession within 60 seconds: - The brake booster with master cylinder assembly (skid control ECU) does not receive data from the yaw rate sensor once or more within 5 seconds.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 60 seconds.	ABS warning light illuminates. Brake warning light illuminates (yellow). Slip warning light illuminates.	DTC is stored until it is cleared using the GTS.
   U0124	Lost Communication with Lateral Acceleration Sensor Module	Either condition is met: The brake booster with master cylinder assembly (skid control ECU) does not receive data from the acceleration sensor for 1 second or more. The following condition occurs 10 times in succession within 60 seconds: - The brake booster with master cylinder assembly (skid control ECU) does not receive data from the acceleration sensor once or more within 5 seconds.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 60 seconds.	ABS warning light illuminates. Brake warning light illuminates (yellow). Slip warning light illuminates.	DTC is stored until it is cleared using the GTS.
   U0126	Lost Communication with Steering Angle Sensor Module	Either condition is met: The brake booster with master cylinder assembly (skid control ECU) does not receive data from the spiral cable with sensor sub-assembly (steering angle sensor) for 1 second or more. The following condition occurs 10 times in succession within 60 seconds: - The brake booster with master cylinder assembly (skid control ECU) does not receive data from the spiral cable with sensor sub-assembly (steering angle sensor) once or more within 5 seconds.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 60 seconds.	Slip warning light illuminates.	DTC is stored until it is cleared using the GTS.
   U0293	Communication Error from HV ECU	Either condition is met: The brake booster with master cylinder assembly (skid control ECU) does not receive data from the power management control ECU (HV CPU) for 2 seconds or more. The following condition occurs 10 times in succession within 60 seconds: - With the IG2 terminal voltage of the brake booster with master cylinder assembly (skid control ECU) at 9.5 V or more, the brake booster with master cylinder assembly (skid control ECU) does not receive data from the power management control ECU (HV CPU) once or more within 5 seconds.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the brake booster with master cylinder assembly (skid control ECU) is between 10 and 17.4 V.	Turn the power switch on (IG) and wait at least 60 seconds.	Brake warning light illuminates (yellow). Slip warning light illuminates.	DTC is stored until it is cleared using the GTS.

   Tech Tips

   This ECU uses the CAN communication system for DTC communication.

10. Steering Angle Sensor / GTS Display "Steering Angle Sensor"

    Tech Tips

    The steering angle sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

11. Yaw Rate Sensor / GTS Display "Yaw Rate / Deceleration Sensor"

    Tech Tips

    The yaw rate sensor is connected to the CAN communication system, but CAN communication DTCs are not output.

12. Airbag ECU Assembly / GTS Display "SRS Airbag"

    Tech Tips

    The airbag ECU assembly is connected to the CAN communication system, but CAN communication DTCs are not output.

13. Main Body ECU (Multiplex network body ECU) / GTS Display "Main Body"

    Main Body ECU (Multiplex Network Body ECU) / GTS Display "Main Body"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM/ PCM "A"	The main body ECU (multiplex network body ECU) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10.0 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0101	Lost Communication with TCM	The main body ECU (multiplex network body ECU) does not receive data from the transmission control ECU assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10.0 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0151	Lost Communication with Restraints Control Module	The main body ECU (multiplex network body ECU) does not receive data from the airbag ECU assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10.0 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0155	Lost Communication with Instrument Panel Cluster	The main body ECU (multiplex network body ECU) does not receive data from the combination meter sub-assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 10.0 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0164	Lost Communication with HVAC Control Module	The main body ECU (multiplex network body ECU) does not receive data from the air conditioning amplifier assembly for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U023A	Lost Communication with Image Processing Module "A"	The main body ECU (multiplex network body ECU) does not receive data from the lane departure warning camera for 5 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 9.5 V or more.	Turn the power switch on (IG) and wait at least 15 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with Hybrid Powertrain Control Module	The main body ECU (multiplex network body ECU) does not receive data from the power management control ECU (HV CPU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0327	Software Incompatibility with Vehicle Security	The main body ECU (multiplex network body ECU) does not receive data from the certification ECU (smart key ECU assembly) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.
    U1133	Lost Communication with PMN Module	The main body ECU (multiplex network body ECU) does not receive data from the power management control ECU (power management CPU) for 10 seconds or more.	Both conditions are met: Power source status change (+B OFF → ON, ACC ON ←→ OFF, IG ON ←→ OFF) is detected and 10 seconds or more elapse. The power source voltage of the main body ECU (multiplex network body ECU) is 9.5 V or more.	Turn the power switch on (IG) and wait at least 20 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

14. Certification ECU (Smart key ECU assembly) / GTS Display "Entry&Start"

    Certification ECU (Smart key ECU assembly) / GTS Display "Entry&Start"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The certification ECU (smart key ECU assembly) does not receive data from the ECM for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0142	Lost Communication with Body Control Module "B"	The certification ECU (smart key ECU assembly) does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The certification ECU (smart key ECU assembly) does not receive data from the combination meter sub-assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The certification ECU (smart key ECU assembly) does not receive data from the power management control ECU (HV CPU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the certification ECU (smart key ECU assembly) is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

15. Air Conditioning Amplifier Assembly / GTS Display "Air Conditioner"

    Air Conditioning Amplifier Assembly / GTS Display "Air Conditioner"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM ''A''	The air conditioning amplifier assembly does not receive data from the ECM for 5 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 8.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0131	Lost Communication with Power Steering Control Module	The air conditioning amplifier assembly does not receive data from the power steering ECU assembly for 5 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 8.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0142	Lost Communication with Body Control Module ''B''	The air conditioning amplifier assembly does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 8.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0155	Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)	The air conditioning amplifier assembly does not receive data from the combination meter sub-assembly for 5 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 8.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The air conditioning amplifier assembly does not receive data from the power management control ECU (HV CPU) for 5 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the air conditioning amplifier assembly is 8.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

16. Combination Meter Sub-assembly / GTS Display "Combination Meter"

    Combination Meter Sub-assembly / GTS Display "Combination Meter"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0100	Lost Communication with ECM / PCM "A"	The combination meter sub-assembly does not receive data from the power management control ECU (HV CPU) for 2 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 2 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0129	Lost Communication with Skid Control ECU	The combination meter sub-assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 3 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0131	Lost Communication with Power Steering Control Module	The combination meter sub-assembly does not receive data from the power steering ECU assembly for 3 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 3 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0142	Lost Communication with Body Control Module "B"	The combination meter sub-assembly does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0151	Lost Communication with Airbag ECU	The combination meter sub-assembly does not receive data from the airbag ECU assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0163	Lost Communication with Navigation Control Module	The combination meter sub-assembly does not receive data from the navigation receiver assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.
    U023A	Lost Communication with Front Camera Module	The combination meter sub-assembly does not receive data from the lane departure warning camera for 10 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.
    U1104	Lost Communication with Driving Support ECU	The combination meter sub-assembly does not receive data from the driving support ECU assembly for 10 seconds or more.	Both conditions are met: The power switch is on (IG). The power source voltage of the combination meter sub-assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

17. Navigation Receiver Assembly / GTS Display "Navigation System"

    Navigation Receiver Assembly / GTS Display "Navigation System"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Sending Malfunction (Navigation to APGS)	The navigation receiver assembly does not send/receive data for 5 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 6 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0100	Lost Communication with ECM / PCM "A"	The navigation receiver assembly does not receive data from the ECM for 4 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0129	Lost Communication with Brake System Control Module	The navigation receiver assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 1 second or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 2 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0140	Lost Communication with Body Control Module	The navigation receiver assembly does not receive data from the main body ECU (multiplex network body ECU) for 3 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0155	Meter ECU Communication	The navigation receiver assembly does not receive data from the combination meter sub-assembly for 30 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 31 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The navigation receiver assembly does not receive data from the power management control ECU (HV CPU) for 4 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the navigation receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

18. Radio and Display Receiver Assembly / GTS Display "Navigation System"

    Radio and Display Receiver Assembly / GTS Display "Navigation System"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Sending Malfunction (Navigation to APGS)	The radio and display receiver assembly does not send/receive data for 5 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 6 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0100	Lost Communication with ECM / PCM "A"	The radio and display receiver assembly does not receive data from the ECM for 4 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0129	Lost Communication with Brake System Control Module	The radio and display receiver assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 1 second or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 2 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0140	Lost Communication with Body Control Module	The radio and display receiver assembly does not receive data from the main body ECU (multiplex network body ECU) for 3 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 4 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0155	Meter ECU Communication	The radio and display receiver assembly does not receive data from the combination meter sub-assembly for 30 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 31 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The radio and display receiver assembly does not receive data from the power management control ECU (HV CPU) for 4 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the radio and display receiver assembly is 9.5 V or more.	Turn the power switch on (IG) and wait at least 5 seconds.	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    This ECU uses the CAN communication system for DTC communication.

19. Driving Support ECU Assembly / GTS Display "Pre-Crash2"

    Driving Support ECU Assembly / GTS Display "Pre-Crash2"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0122	Lost Communication with Vehicle Dynamics Control Module	The driving support ECU assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 5.24 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 7.24 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0123	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the yaw rate sensor for 0.772 seconds or more.	Both conditions are met: The power switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 3.772 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the spiral cable with sensor sub-assembly (steering angle sensor) for 3.76 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 4.76 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0142	Lost Communication with Body Control Module "B"	The driving support ECU assembly does not receive data from the main body ECU (multiplex network body ECU) for 14.2 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 15.2 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0235*1	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 1 second or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 2 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The driving support ECU assembly does not receive data from the power management control ECU (HV CPU) for 3.808 seconds or more.	All conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 5 km/h (3 mph) or more.	Drive the vehicle at a speed of 5 km/h (3 mph) or more for at least 4.808 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U1002	Lost Communication with Gateway Module	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.652 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more.	Turn the power switch on (IG) and wait at least 1.652 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U1104*2	Lost Communication with Driving Support ECU	The ECM, brake booster with master cylinder assembly (skid control ECU) or millimeter wave radar sensor assembly does not receive data from the driving support ECU assembly for 1.504 seconds or more.	The power switch is on (IG) for 2 seconds or more.	Turn the power switch on (IG) and wait at least 3.504 seconds.	PCS warning light blinks. Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.

    Tech Tips

    
    

    • This ECU uses the CAN communication system for DTC communication.

    • *1: If only U0235 is output, CAN communication is normal. Refer to Pre-Crash Safety System Click here.

    • *2: If only U1104 is output, CAN communication is normal. Refer to Pre-Crash Safety System Click here.

20. Driving Support ECU Assembly / GTS Display "Radar Cruise"

    Driving Support ECU Assembly / GTS Display "Radar Cruise"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0122	Lost Communication with Vehicle Dynamics Control Module	The driving support ECU assembly does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 5.24 seconds or more.	All conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 7.24 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0123	Lost Communication with Yaw Rate Sensor Module	The driving support ECU assembly does not receive data from the yaw rate sensor for 0.772 seconds or more.	All conditions are met: The power switch is on (IG) for 3 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 3.736 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0126	Lost Communication with Steering Angle Sensor Module	The driving support ECU assembly does not receive data from the spiral cable with sensor sub-assembly (steering angle sensor) for 3.76 seconds or more.	All conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 4.76 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0235*1	Lost Communication with Cruise Control Front Distance Range Sensor	The driving support ECU assembly does not receive data from the millimeter wave radar sensor assembly for 0.652 seconds or more.	All conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 1.652 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The driving support ECU assembly does not receive data from the power management control ECU (HV CPU) for 3.808 seconds or more. The brake booster with master cylinder assembly (skid control ECU) does not receive data from the power management control ECU (HV CPU) for 1 second or more.	All conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 4.808 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U1104*2	Lost Communication with Driving Support ECU	The ECM, brake booster with master cylinder assembly (skid control ECU) or millimeter wave radar sensor assembly does not receive data from the driving support ECU assembly for 1 second or more.	All conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the driving support ECU assembly is 10 V or more. Vehicle speed is 36 km/h (22 mph) or more.	Drive the vehicle at a speed of 36 km/h (22 mph) or more for at least 3 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.

    Tech Tips

    
    

    • This ECU uses the CAN communication system for DTC communication.

    • *1: If only U0235 is output, CAN communication is normal. Refer to Dynamic Radar Cruise Control System Click here.

    • *2: If only U1104 is output, CAN communication is normal. Refer to Dynamic Radar Cruise Control System Click here.

21. Parking Assist ECU / GTS Display "IPA/Parking Assist Monitor"

    Parking Assist ECU / GTS Display "IPA/Parking Assist Monitor"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0073	Control Module Communication Bus Off	Either condition is met: The parking assist ECU keeps sending data to an ECU or a sensor for 1.24 seconds or more because a reception completion signal cannot be received. The parking assist ECU detects that it is disconnected from the bus (bus off) 10 times in succession.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 10 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0100	Lost Communication with ECM / PCM ''A''	The parking assist ECU does not receive data from the power management control ECU for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0126	Lost Communication with Steering Angle Sensor Module	The parking assist ECU does not receive data from the spiral cable with sensor sub-assembly (steering angle sensor) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0129	Lost Communication with Brake System Control Module	The parking assist ECU does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 1.24 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 2.24 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0131	Lost Communication with Power Steering Control Module	The parking assist ECU does not receive data from the power steering ECU assembly for 1.4 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 2.4 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0140	Lost Communication with Main Body ECU	The parking assist ECU does not receive data from the main body ECU (multiplex network body ECU) for 10 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 11 seconds.	-	DTC is stored until it is cleared using the GTS.
    U0293	Lost Communication with HV ECU	The parking assist ECU does not receive data from the power management control ECU (HV ECU) for 2.34 seconds or more.	Both conditions are met: The power switch is on (IG) for 1 second or more. The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG) and wait at least 3.34 seconds.	-	DTC is stored until it is cleared using the GTS.
    U1000*	Can Communication Failure (Message Registry)	When the power switch is turned on (IG), a CAN communication malfunction is detected.	Both conditions are met: The power switch is on (IG). The power source voltage of the parking assist ECU is 10 V or more.	Turn the power switch on (IG).	-	DTC is stored until it is cleared using the GTS.

    Tech Tips

    
    

    • This ECU uses the CAN communication system for DTC communication.

    • *: If only U1000 is output, CAN communication is normal. Refer to Intelligent Parking Assist System Click here.

22. Millimeter Wave Radar Sensor Assembly / GTS Display "-"

    Tech Tips

    The millimeter wave radar sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.

23. Lane Departure Warning Camera / GTS Display "Lane Departure Alert"

    Lane Departure Warning Camera / GTS Display "Lane Departure Alert"

    DTC	Detection Item	DTC Detection Condition	DTC Detection Pre-condition	DTC Check Procedure	Warning Indication in Meter	DTC Storage Method
    U0101	Lost Communication with TCM	The lane departure warning camera does not receive data from the power management control ECU (HV CPU) for 5 seconds or more.	All conditions are met: The power switch is on (IG) for 2 seconds or more. Vehicle speed is 1 km/h (1 mph) or more. The power source voltage of the lane departure warning camera is 10 V or more.	Drive the vehicle at a speed of 1 km/h (1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0123	Lost Communication with Yaw Rate Sensor Module	The lane departure warning camera does not receive data from the yaw rate sensor for 5 seconds or more.	All conditions are met: The power switch is on (IG) for 2 seconds or more. Vehicle speed is 1 km/h (1 mph) or more. The power source voltage of the lane departure warning camera is 10 V or more.	Drive the vehicle at a speed of 1 km/h (1 mph) or more for 7 seconds or more.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0129	Lost Communication with Brake System Control Module	The lane departure warning camera does not receive data from the brake booster with master cylinder assembly (skid control ECU) for 5 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the lane departure warning camera is 10 V or more.	Turn the power switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0142	Lost Communication with Body Control Module "B"	The lane departure warning camera does not receive data from the main body ECU (multiplex network body ECU) for 5 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the lane departure warning camera is 10 V or more.	Turn the power switch on (IG) and wait at least 7 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U0155	Lost Communication with Instrument Panel Cluster (IPC) Control Module	The lane departure warning camera does not receive data from the combination meter sub-assembly for 50 seconds or more.	Both conditions are met: The power switch is on (IG) for 2 seconds or more. The power source voltage of the lane departure warning camera is 10 V or more.	Turn the power switch on (IG) and wait at least 52 seconds.	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.
    U1000*	Lost Communication Failure (Message Registry)	When the power switch is turned on (IG), a CAN communication malfunction is detected.	The power switch is on (IG).	Turn the power switch on (IG).	Displays messages on the multi-information display.	DTC is stored until it is cleared using the GTS.

    Tech Tips

    
    

    • This ECU uses the CAN communication system for DTC communication.

    • *: The lane departure warning camera monitors its internal condition, when an internal malfunction is detected, the lane departure warning camera stores U1000 and cancels lane departure alert system control Click here.

DTC COMBINATION TABLE (OPEN OR SHORT IN V BUS, PAST COMMUNICATION ERROR)

1. Regarding a past communication error of an ECU and sensor connected to the V bus (in this case, normal is displayed when performing the CAN bus check, but communication DTCs are output), the probable CAN bus line(s) that had a malfunction can be determined based on the following DTC combination table.

   Tech Tips

   
   

   • Based on the table below and DTCs output from ECUs connected via CAN communication, the probable part for which communication stop occurred can be determined.

   • Regarding an open in a CAN branch and a communication stop that is currently occurring, the malfunctioning part can be confirmed easily by performing the CAN bus check using the GTS because the ECU or sensor connected to the CAN branch does not respond (the ECU or sensor name will not be displayed on the screen).

   • If an open in a CAN main bus line, a short between the CAN bus lines (CANH and CANL) or a +B or ground short in the CAN bus occurs, DTCs of almost all ECUs (or sensors) on the CAN bus may be output, or a message indicating a communication error may be displayed on the GTS screen. In this case, check the resistance of the CAN bus (steps 7 to 9) first Click here.

   • If an open occurs in just one of the lines of a CAN branch, DTCs which are not related to malfunctioning parts may be output (DTCs may be displayed randomly), or a message indicating a communication error may be displayed.

   DTC			Trouble Mode
   Output ECU		Output DTC	Center Airbag Sensor Communication Stop Mode Click here	Navigation ECU Communication Stop Mode Click here	Audio Receiver Assembly Communication Stop Mode Click here	Main Body ECU Communication Stop Mode Click here	Transmission Control ECU Communication Stop Mode Click here	Skid Control ECU Communication Stop Mode Click here	Power Steering ECU Communication Stop Mode Click here
   V Bus	Power Management Control ECU (Hybrid Control)	U0100	-	-	-	-	-	-	-
   		U0129	X	X	X	X	X	○	X
   		U0140	X	X	X	○	X	X	X
   		U0151	○	X	X	X	X	X	X
   		U0164	-	-	-	-	-	-	-
   		U1104	-	-	-	-	-	-	-
   		U1107	X	X	X	X	X	X	X
   	Power Management Control ECU (Power Source Control)	U0129	X	X	X	X	X	○	X
   		U0293	X	X	X	X	X	X	X
   	Power Management Control ECU (Cruise Control)	U0122	X	X	X	X	X	○	X
   	Power Management Control ECU (PM1 Gateway)	-	-	-	-	-	-	-	-
   V Bus	Power Management Control ECU (PM2 Gateway)	-	-	-	-	-	-	-	-
   	ECM	U0293	-	-	-	-	-	-	-
   	Transmission Control ECU Assembly	U0146	X	X	X	○	○(*)	X	X
   	Power Steering ECU Assembly	U0129	X	X	X	X	X	○	○(*)
   		U0293	X	X	X	X	X	X	○(*)
   		U1105	X	X	X	X	X	X	○(*)
   	Brake Booster with Master Cylinder Assembly (Skid Control ECU)	U0073	X	X	X	X	X	○(*)	X
   		U0120	X	X	X	X	X	○(*)	X
   		U0123	X	X	X	X	X	○(*)	X
   		U0124	X	X	X	X	X	○(*)	X
   		U0126	X	X	X	X	X	○(*)	X
   		U0293	X	X	X	X	X	○(*)	X
   	Main Body ECU (Multiplex Network Body ECU)	U0100	X	X	X	○(*)	X	X	X
   		U0101	X	X	X	○(*)	X	X	X
   		U0151	○	X	X	○(*)	X	X	X
   		U0155	X	X	X	○(*)	X	X	X
   		U0164	X	X	X	○(*)	X	X	X
   		U023A	X	X	X	○(*)	X	X	X
   		U0293	X	X	X	○(*)	X	X	X
   		U0327	X	X	X	○(*)	X	X	X
   		U1133	X	X	X	○(*)	X	X	X
   	Certification ECU (Smart Key ECU Assembly)	U0100	X	X	X	X	X	X	X
   		U0142	X	X	X	○	X	X	X
   		U0155	X	X	X	X	X	X	X
   		U0293	X	X	X	X	X	X	X
   	Combination Meter Sub-assembly	U0100	X	X	X	X	X	X	X
   		U0129	X	X	X	X	X	○	X
   		U0131	X	X	X	X	X	X	○
   		U0142	X	X	X	○	X	X	X
   		U0151	○	X	X	X	X	X	X
   		U0163	X	○	○	X	X	X	X
   		U023A	X	X	X	X	X	X	X
   		U1104	X	X	X	X	X	X	X
   V Bus	Navigation Receiver Assembly Radio and Display Receiver Assembly	U0073	X	○(*)	○(*)	X	X	X	X
   		U0100	X	○(*)	○(*)	X	X	X	X
   		U0129	X	○(*)	○(*)	X	X	○	X
   		U0140	X	○(*)	○(*)	○	X	X	X
   		U0155	X	○(*)	○(*)	X	X	X	X
   		U0293	X	○(*)	○(*)	X	X	X	X
   Sub Bus 11	Power Management Control ECU (PM1 Gateway)	U0104	-	-	-	-	-	-	-
   		U023A	-	-	-	-	-	-	-
   		U1002	-	-	-	-	-	-	-
   		U110B	-	-	-	-	-	-	-
   	Driving Support ECU Assembly	U0122	X	X	X	X	X	○	X
   		U0123	X	X	X	X	X	X	X
   		U0126	X	X	X	X	X	X	X
   		U0142	X	X	X	○	X	X	X
   		U0293	-	-	-	-	-	-	-
   	Parking Assist ECU	U0073	-	-	-	-	-	-	-
   		U0100	-	-	-	-	-	-	-
   		U0126	X	X	X	X	X	X	X
   		U0129	X	X	X	X	X	○	X
   		U0131	X	X	X	X	X	X	○
   		U0140	X	X	X	○	X	X	X
   		U0293	-	-	-	-	-	-	-
   	Lane Departure Warning Camera	U0101	-	-	-	-	-	-	-
   		U0123	X	X	X	X	X	X	X
   		U0129	X	X	X	X	X	○	X
   		U0142	X	X	X	○	X	X	X
   		U0155	X	X	X	X	X	X	X

   DTC			Trouble Mode
   Output ECU		Output DTC	ECM Communication Stop Mode Click here	Certification ECU Communication Stop Mode Click here	Combination Meter ECU Communication Stop Mode Click here	Power Management Control ECU Communication Stop Mode Click here	Steering Angle Sensor Communication Stop Mode Click here	Yaw Rate Sensor Communication Stop Mode Click here	DLC3
   V Bus	Power Management Control ECU (Hybrid Control)	U0100	-	-	-	-	-	-	-
   		U0129	X	X	X	○(*)	X	X	X
   		U0140	X	X	X	○(*)	X	X	X
   		U0151	X	X	X	○(*)	X	X	X
   		U0164	-	-	-	-	-	-	-
   		U1104	-	-	-	-	-	-	-
   		U1107	X	X	X	○(*)	X	X	X
   	Power Management Control ECU (Power Source Control)	U0129	X	X	X	○(*)	X	X	X
   		U0293	X	X	X	○(*)	X	X	X
   	Power Management Control ECU (Cruise Control)	U0122	X	X	X	X	X	X	X
   	Power Management Control ECU (PM1 Gateway)	-	-	-	-	-	-	-	-
   	Power Management Control ECU (PM2 Gateway)	-	-	-	-	-	-	-	-
   	ECM	U0293	-	-	-	-	-	-	-
   	Transmission Control ECU Assembly	U0146	X	X	X	X	X	X	X
   	Power Steering ECU Assembly	U0129	X	X	X	X	X	X	X
   		U0293	X	X	X	○	X	X	X
   		U1105	X	X	X	○	X	X	X
   	Brake Booster with Master Cylinder Assembly (Skid Control ECU)	U0073	X	X	X	X	X	X	X
   		U0120	X	X	X	○	X	X	X
   		U0123	X	X	X	X	X	○	X
   		U0124	X	X	X	X	X	○	X
   		U0126	X	X	X	X	○	X	X
   		U0293	X	X	X	○	X	X	X
   V Bus	Main Body ECU (Multiplex Network Body ECU)	U0100	○	X	X	X	X	X	X
   		U0101	X	X	X	○	X	X	X
   		U0151	X	X	X	X	X	X	X
   		U0155	X	X	○	X	X	X	X
   		U0164	X	X	X	○	X	X	X
   		U023A	X	X	X	○	X	X	X
   		U0293	X	X	X	○	X	X	X
   		U0327	X	○	X	X	X	X	X
   		U1133	X	X	X	○	X	X	X
   	Certification ECU (Smart Key ECU Assembly)	U0100	○	○(*)	X	X	X	X	X
   		U0142	X	○(*)	X	X	X	X	X
   		U0155	X	○(*)	○	X	X	X	X
   		U0293	X	○(*)	X	○	X	X	X
   	Combination Meter Sub-assembly	U0100	○	X	○(*)	○	X	X	X
   		U0129	X	X	○(*)	X	X	X	X
   		U0131	X	X	○(*)	X	X	X	X
   		U0142	X	X	○(*)	X	X	X	X
   		U0151	X	X	○(*)	X	X	X	X
   		U0163	X	X	○(*)	X	X	X	X
   		U023A	X	X	○(*)	X	X	X	X
   		U1104	X	X	○(*)	X	X	X	X
   	Navigation Receiver Assembly Radio and Display Receiver Assembly	U0073	X	X	X	X	X	X	X
   		U0100	○	X	X	○	X	X	X
   		U0129	X	X	X	X	X	X	X
   		U0140	X	X	X	X	X	X	X
   		U0155	X	X	○	X	X	X	X
   		U0293	X	X	X	○	X	X	X
   Sub Bus 11	Power Management Control ECU (PM1 Gateway)	U0104	-	-	-	-	-	-	-
   		U023A	-	-	-	-	-	-	-
   		U1002	-	-	-	-	-	-	-
   		U110B	-	-	-	-	-	-	-
   	Driving Support ECU Assembly	U0122	X	X	X	○	X	X	X
   		U0123	X	X	X	○	X	○	X
   		U0126	X	X	X	○	○	X	X
   		U0142	X	X	X	○	X	X	X
   		U0293	-	-	-	-	-	-	-
   Sub Bus 11	Parking Assist ECU	U0073	-	-	-	-	-	-	-
   		U0100	-	-	-	-	-	-	-
   		U0126	X	X	X	○	○	X	X
   		U0129	X	X	X	○	X	X	X
   		U0131	X	X	X	○	X	X	X
   		U0140	X	X	X	○	X	X	X
   		U0293	-	-	-	-	-	-	-
   	Lane Departure Warning Camera	U0101	-	-	-	-	-	-	-
   		U0123	X	X	X	○	X	○	X
   		U0129	X	X	X	○	X	X	X
   		U0142	X	X	X	○	X	X	X
   		U0155	X	X	○	○	X	X	X

   Tech Tips

   
   

   • ○: Set

   • X: Not set or may be set according to the malfunctioning part when one line of a CAN branch is open.

   • -: DTC is not output.

   • *: DTC is not output during communication error, but will be output as a history DTC (past DTC) when communication returns to normal.

DTC COMBINATION TABLE (OPEN OR SHORT IN SUB BUS 11, PAST COMMUNICATION ERROR)

1. Regarding a past communication error of an ECU and sensor connected to sub bus 11 (in this case, normal is displayed when performing the CAN bus check, but communication DTCs are output), determine the part that had a malfunction based on DTCs output from the power management control ECU.

   Tech Tips

   
   

   • As gateway function equipped ECUs (sub bus monitor ECUs) monitor signals from all ECUs that are connected to sub buses, gateway function equipped ECUs can detect ECUs with a communication stop more accurately.

   • DTCs output from ECUs other than the power management control ECU (gateway function equipped ECU) are shown only as a reference.

   • Regarding a communication stop that is currently occurring in sub bus 11, the malfunctioning part can be confirmed easily by performing the CAN bus check using the GTS.

   • If an open occurs in just one of the lines of a CAN branch, DTCs which are not related to malfunctioning parts may be output (DTCs may be displayed randomly), or a message indicating a communication error may be displayed.

   DTC			Trouble Mode
   Output ECU		Output DTC	Driving Support ECU Assembly Click here	Parking Assist ECU Click here	Power Management Control ECU Click here	Lane Departure Warning Camera Click here
   V Bus	Power Management Control ECU (Hybrid Control)	U0100	-	-	-	-
   		U0129	-	-	-	-
   		U0140	-	-	-	-
   		U0151	-	-	-	-
   		U0164	-	-	-	-
   		U1104	-	-	-	-
   		U1107	-	-	-	-
   	Power Management Control ECU (Power Source Control)	U0129	-	-	-	-
   		U0293	-	-	-	-
   	Power Management Control ECU (Cruise Control)	U0122	X	X	X	X
   	Power Management Control ECU (PM1 Gateway)	-	-	-	-	-
   	Power Management Control ECU (PM2 Gateway)	-	-	-	-	-
   	ECM	U0293	-	-	-	-
   	Transmission Control ECU Assembly	U0146	-	-	-	-
   	Power Steering ECU Assembly	U0129	-	-	-	-
   		U0293	-	-	-	-
   		U1105	X	○	○	X
   	Brake Booster with Master Cylinder Assembly (Skid Control ECU)	U0073	-	-	-	-
   		U0120	-	-	-	-
   		U0123	-	-	-	-
   		U0124	-	-	-	-
   		U0126	-	-	-	-
   		U0293	-	-	-	-
   V Bus	Main Body ECU (Multiplex Network Body ECU)	U0100	-	-	-	-
   		U0101	-	-	-	-
   		U0151	-	-	-	-
   		U0155	-	-	-	-
   		U0164	-	-	-	-
   		U023A	X	X	○	○
   		U0293	-	-	-	-
   		U0327	-	-	-	-
   		U1133	-	-	-	-
   	Certification ECU (Smart Key ECU Assembly)	U0100	-	-	-	-
   		U0142	-	-	-	-
   		U0155	-	-	-	-
   		U0293	-	-	-	-
   	Combination Meter Sub-assembly	U0100	-	-	-	-
   		U0129	-	-	-	-
   		U0131	-	-	-	-
   		U0142	-	-	-	-
   		U0151	-	-	-	-
   		U0163	-	-	-	-
   		U023A	X	X	○	○
   		U1104	○	X	○	X
   	Navigation Receiver Assembly Radio and Display Receiver Assembly	U0073	-	-	-	-
   		U0100	-	-	-	-
   		U0129	-	-	-	-
   		U0140	-	-	-	-
   		U0155	-	-	-	-
   		U0293	-	-	-	-
   Sub Bus 11	Power Management Control ECU*3 (PM1 Gateway)	U0104	○	X	○	X
   		U023A	X	X	○	○
   		U1002	○(*2)	○(*2)	○	○(*2)
   		U110B	X	○	○	X
   	Driving Support ECU Assembly	U0122	○(*1)	X	○	X
   		U0123	○(*1)	X	○	X
   		U0126	○(*1)	X	○	X
   		U0142	○(*1)	X	○	X
   		U0293	○(*1)	X	○	X
   	Parking Assist ECU	U0073	X	○(*1)	X	X
   		U0100	X	○(*1)	○	X
   		U0126	X	○(*1)	○	X
   		U0129	X	○(*1)	○	X
   		U0131	X	○(*1)	○	X
   		U0140	X	○(*1)	○	X
   		U0293	X	○(*1)	○	X
   Sub Bus 11	Lane Departure Warning Camera	U0101	X	X	○	○(*1)
   		U0123	X	X	○	○(*1)
   		U0129	X	X	○	○(*1)
   		U0142	X	X	○	○(*1)
   		U0155	X	X	○	○(*1)

   Tech Tips

   
   

   • ○: Set

   • X: Not set or may be set according to the malfunctioning part when one line of a CAN branch is open.

   • -: DTC is not output.

   • *1: DTC is not output during communication error, but will be output as a history DTC (past DTC) when communication returns to normal.

   • *2: Communication of all the ECUs or sensors connected to sub bus 11 stops.

   • *3: Gateway function equipped ECUs relay signals between the ECUs connected to the different buses.

   • If an open occurs in just one of the lines of a CAN branch, DTCs which are not related to malfunctioning parts may be output (DTCs may be displayed randomly), or a message indicating a communication error may be displayed.

CAN BUS WAVEFORMS

1. CAN bus waveforms (Group 1)

   
   
   1. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Normal waveform

   2. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Open in both of the lines (CANH and CANL) of a CAN branch

      Tech Tips

      
      

      • Waveforms (waveforms shown using dotted lines) are not present from an ECU or sensor connected to a CAN branch with an open circuit in both lines. (Waveforms from other ECUs or sensors are normal.)

      • Because this waveform is similar to a normal waveform, instead of using the waveform, the malfunctioning part can be narrowed down by performing a CAN bus check.

   3. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Short between the CAN bus lines (CANH and CANL)

      Tech Tips

      
      

      • Waveforms disappear.

      • If the malfunction is in an ECU, disconnecting the ECU will change the waveform. If the waveform does not change, a malfunction in the wire harness is suspected.

2. CAN bus waveforms (reference) (Group 2)

   Note

   The following CAN bus waveforms can be used only as reference. The actual measured waveform may differ significantly depending on the location of the open or short circuit.

   
   
   1. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Open in a CAN branch line (CANH)

      Tech Tips

      
      

      • An abnormal waveform is output from an ECU with an open in one of its CAN branch lines. Because this abnormal output interferes with the signals from other ECUs, the output of other ECUs will also appear abnormal.

      • Narrow down the malfunctioning part by checking DTCs or performing a CAN bus check, or by checking waveform changes when ECUs or sensors are disconnected. The waveform will change to one for an open in both sides of a CAN branch when the ECU or sensor with an open CAN branch line is disconnected.

   2. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Open in a CAN branch line (CANL)

      Tech Tips

      
      

      • An abnormal waveform is output from an ECU with an open in one of its CAN branch lines. Because this abnormal output interferes with the signals from other ECUs, the output of other ECUs will also appear abnormal.

      • Narrow down the malfunctioning part by checking DTCs or performing a CAN bus check, or by checking waveform changes when ECUs or sensors are disconnected. The waveform will change to one for an open in both sides of a CAN branch when the ECU or sensor with an open CAN branch line is disconnected.

   3. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Open in a CAN main bus line (CANH)

      Tech Tips

      
      

      • Waveforms of ECUs or sensors that are closer to the DLC3 than the open part are almost normal.

      • Waveforms of ECUs or sensors that are on the opposite side of the DLC3 from the open part are abnormal.

      • An open in a CAN main bus line can be confirmed by measuring the resistance between the CANH and CANL terminals of any CAN branch.

   4. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Short between a CAN bus line (CANH) and ground

      Tech Tips

      
      

      • Narrow down the shorted part by checking for waveform changes when disconnecting connectors from the CAN junction connectors or when disconnecting ECUs or sensors.

      • A short to ground in the CANH line can be confirmed by measuring the resistance between CANH and ground using an ohmmeter.

   5. 

      *a	1 V/DIV.
      *b	50 μs./DIV.

      Short between a CAN bus line (CANL) and ground

      Tech Tips

      
      

      • Narrow down the shorted part by checking for waveform changes when disconnecting connectors from the CAN junction connectors or when disconnecting ECUs or sensors.

      • A short to ground in the CANL line can be confirmed by measuring the resistance between CANL and ground using an ohmmeter.

DATA SENDING/RECEIVING TABLE

1. Data sending/receiving table

   Tech Tips

   If Data List items related to sent/received data are not displayed properly, the part for which communication is interrupted can be determined using the table below.

   Data content	Data Detected and Sent by	Data Received by (Can be Checked in the Data List)	Data Received by (Cannot be Checked in the Data List)	Relevant Data List Item [Selected System]
   Accelerator position	Power management control ECU (HV CPU)	-	Parking assist ECU Navigation receiver assembly Radio and display receiver assembly Driving support ECU assembly	Accelerator Degree [Hybrid Control]
   Engine speed	ECM	Power management control ECU (HV CPU)	Airbag ECU assembly Main body ECU (Multiplex network body ECU) Combination meter sub-assembly Navigation receiver assembly Radio and display receiver assembly	Engine Speed [Engine and ECT] Engine Revolution [Hybrid Control]
   Engine coolant temp	ECM	Combination meter sub-assembly	-	Coolant Temp [Engine and ECT] Coolant Temperature [Combination Meter]
   Vehicle speed	Brake booster with master cylinder assembly (Skid control ECU)	Power management control ECU (HV CPU) Power management control ECU (Power management CPU) Power steering ECU assembly Driving support ECU assembly Combination meter sub-assembly	Transmission control ECU assembly Airbag ECU assembly Parking assist ECU	Vehicle Spd [Hybrid Control] Vehicle Speed Signal [Power Source Control] Vehicle Speed [ABS/VSC/TRC] Meter Vehicle Velocity [EMPS] Vhcl Spd-Brake ECU [Radar Cruise] Vehicle Speed Meter [Combination Meter]
   	Combination meter sub-assembly*3	-	Air conditioning amplifier assembly Main body ECU (Multiplex network body ECU) Certification ECU (Smart key ECU assembly)	Vehicle Speed Meter [Combination Meter]
   Wheel speed	Brake booster with master cylinder assembly (Skid control ECU)	Driving support ECU assembly	Airbag ECU assembly Power management control ECU (HV CPU) Power steering ECU assembly Lane departure warning camera	FR Wheel Speed [ABS/VSC/TRC] FL Wheel Speed [ABS/VSC/TRC] RR Wheel Speed [ABS/VSC/TRC] RL Wheel Speed [ABS/VSC/TRC] Front Whl Spd LH Sensor [Radar Cruise] Front Whl Spd RH Sensor [Radar Cruise] Rear Whl Spd LH Sensor [Radar Cruise] Rear Whl Spd RH Sensor [Radar Cruise]
   Park (P) state signal	Transmission control ECU assembly	Power management control ECU (Power management CPU)	Combination meter sub-assembly*2	Shift P Signal Pulse [Power Source Control] Shift Pos Display (P) [Transmission Control]
   Pre-crash brake off signal	Driving support ECU assembly	-	Combination meter sub-assembly*2	Pre-Crash Brake OFF Switch [Pre-Crash 2]
   Ambient temperature	Air conditioning amplifier assembly	Parking assist ECU	Main body ECU (Multiplex network body ECU) Navigation receiver assembly Radio and display receiver assembly Driving support ECU assembly	Temp Sensor Activate Status [IPA/Parking Assist Monitor] Temp Sensor Status [IPA/Parking Assist Monitor] Ambient Temp Sensor [Air Conditioner]
   Driver door courtesy	Main body ECU (Multiplex network body ECU)	-	Power management control ECU (HV CPU) Power management control ECU (Power management CPU) Combination meter sub-assembly*2 Certification ECU (Smart key ECU assembly) Navigation receiver assembly Radio and display receiver assembly	FL Door Courtesy [Main Body]
   Steering angle sensor	Spiral cable with sensor sub-assembly (Steering angle sensor)	Brake booster with master cylinder assembly (Skid control ECU) Power steering ECU assembly Driving support ECU assembly	Airbag ECU assembly Power management control ECU (HV CPU) Parking assist ECU Navigation receiver assembly Radio and display receiver assembly	Steering Angle Sensor [ABS/VSC/TRC] Steering Angle Velocity [EMPS] Steering Angle [Radar Cruise]
   Yaw rate sensor	Yaw rate sensor	Brake booster with master cylinder assembly (Skid control ECU) Driving support ECU assembly	Airbag ECU assembly Power steering ECU assembly Lane departure warning camera	Yaw Rate Sensor [ABS/VSC/TRC] Yaw Rate Sensor2 [ABS/VSC/TRC] Yaw Rate Sensor [Radar Cruise]
   Deceleration sensor	Yaw rate sensor	Brake booster with master cylinder assembly (Skid control ECU) Driving support ECU assembly	Airbag ECU assembly Power management control ECU (HV CPU) Power steering ECU assembly	Deceleration Sensor [ABS/VSC/TRC] Deceleration Sensor2 [ABS/VSC/TRC] Deceleration Sensor 1 [Radar Cruise] Deceleration Sensor 2 [Radar Cruise]
   Power management control ECU (HV CPU) power supply condition	Power management control ECU (HV CPU)*1	-	-	+B [Hybrid Control]
   Power management control ECU (Power management CPU) power supply condition	Power management control ECU (Power management CPU)*1	-	-	Power Supply Condition [Power Source Control]
   ECM power supply condition	ECM*1	-	-	Battery Voltage [Engine and ECT]
   Brake pedal stroke sensor	Brake booster with master cylinder assembly (Skid control ECU)*1	-	-	Stroke Sensor [ABS/VSC/TRC] Stroke Sensor2 [ABS/VSC/TRC]
   Power steering ECU assembly power supply condition	Power steering ECU assembly*1	-	-	IG Power Supply [EMPS]
   Transmission control ECU assembly power supply condition	Transmission control ECU assembly*1	-	-	IG (+B) Voltage Value [Transmission Control]
   Cruise control switch input	Driving support ECU assembly*1	-	-	Cruise Control Main Switch [Radar Cruise]
   Parking assist ECU power supply condition	Parking assist ECU*1	-	-	IG Voltage Low Status [IPA/Parking Assist Monitor]
   Intensity of light received by the solar sensor	Air conditioning amplifier assembly*1	-	-	Solar Sensor (D Side) [Air Conditioner]
   Combination meter sub-assembly power supply condition	Combination meter sub-assembly*1	-	-	+B Voltage Value [Combination Meter]
   Driver door touch sensor	Certification ECU (Smart key ECU assembly)*1	-	-	D-Door Touch Sensor [Entry&Start]

   *1: Whether the ECU that sends data is functioning or not can be judged by using the GTS to check items such as switches or sensors that send signals to the ECU via direct lines.

   *2: Although the received contents cannot be checked in the Data List, whether or not the data is received normally can be checked by observing the combination meter.

   *3: The combination meter sub-assembly receives a vehicle speed signal from the brake actuator assembly (skid control ECU) and sends the signal to other ECUs.

2. Details of relevant Data List items (Selected system: Hybrid Control )

   Note

   
   

   • Some Data List values may vary significantly if there are slight differences in the environment in which the vehicle is operating when measurements are obtained. Variations may also occur due to aging of the vehicle. Due to these considerations, it is not always possible to provide definite values to be used for judgment of malfunctions. It is possible that a malfunction may be present even if measured values are within the reference range.

   • In the event of a problem with intricate symptoms, collect sample data from another vehicle of the same model operating under identical conditions in order to reach an overall judgment by comparing all the items in the Data List.

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Enter the following menus: Powertrain / Hybrid Control / Data List.

   4. Read the Data List according to the display on the GTS.

      Hybrid Control

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Engine Revolution	Engine speed/ Min.: 0 rpm, Max.: 16383 rpm	While idling after the engine warmed up and inspection mode: Approximately 900 rpm While driving at a constant speed: No significant fluctuation	-
      Vehicle Spd	Vehicle speed/ Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)	Vehicle stopped: 0 km/h (0 mph) While driving at a constant speed: No significant fluctuation	-
      +B	Auxiliary battery voltage/ Min.: 0.00 V, Max.: 65.53 V	Constant: Auxiliary battery voltage 10.00 to 15.00 V	Auxiliary battery
      Accelerator Degree	Accelerator pedal depressed angle/ Min.: 0.0%, Max.: 127.5%	Accelerator pedal depressed: Changes with accelerator pedal pressure	Accelerator pedal sensor assembly

      Tech Tips

      When reviewing Data List information, try to select only the specific Data List items related to the inspection being performed. If all items are selected when checking the Data List, the interval between updates for each item will be longer, resulting in delayed or incorrect data.

3. Details of relevant Data List items (Selected system: Engine and ECT)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Warm up the engine.

   2. Turn the A/C switch off.

   3. Turn the power switch off.

   4. Connect the GTS to the DLC3.

   5. Turn the power switch on (IG).

   6. Turn the GTS on.

   7. Enter the following menus: Powertrain / Engine and ECT / Data List.

   8. Read the Data List according to the display on the GTS.

      Engine and ECT

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Engine Speed	Engine speed/ Min.: 0 rpm, Max.: 16383 rpm	950 to 1050 rpm: Idling	Diagnostic Note: When the crankshaft position sensor is malfunctioning, "Engine Speed" is approximately 0 rpm or varies greatly from the actual engine speed.
      Coolant Temp	Engine coolant temperature/ Min.: -40°C (-40°F), Max.: 140°C (284°F)	75 to 100°C (167 to 212°F): After warming up	Diagnostic Note: This is the engine coolant temperature. Tech Tips After warming up the engine, the engine coolant temperature is 75 to 100°C (167 to 212°F). After a long soak, the engine coolant temperature, intake air temperature and ambient air temperature are approximately equal. If the value is -40°C (-40°F), or 140°C (284°F), the sensor circuit may be open or shorted. Check if the engine overheats when the value indicates 140°C (284°F).
      Battery Voltage	Auxiliary battery voltage/ Min.: 0 V, Max.: 65.535 V	11 to 16 V: Power switch on (IG)	Diagnostic Note: If 11 V or less, characteristics of some electrical components may change.

4. Details of relevant Data List items (Selected system: Air Conditioner)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Turn the power switch off.

   2. Connect the GTS to the DLC3.

   3. Turn the power switch on (IG).

   4. Turn the GTS on.

   5. Enter the following menus: Body Electrical / Air Conditioner / Data List.

   6. Read the Data List according to the display on the GTS.

      Air Conditioner

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Ambient Temp Sensor	Ambient temperature sensor (thermistor assembly) / Min.: -23.30°C (-9.94°F) Max.: 65.95°C (150.71°F)	Actual ambient temperature displayed	-
      Solar Sensor (D Side)	Automatic light control sensor (solar sensor) / Min.: 0 Max.: 255	Solar sensor value increases as brightness increases	-

5. Details of relevant Data List items (Selected system: Combination Meter)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Warm up the engine.

   2. Turn the power switch off.

   3. Connect the GTS to the DLC3.

   4. Turn the power switch on (IG).

   5. Turn the GTS on.

   6. Enter the following menus: Body Electrical / Combination Meter / Data List.

   7. Read the Data List according to the display on the GTS.

      Combination Meter

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Vehicle Speed Meter	Vehicle speed / Min.: 0 km/h (0 mph), Max.: 255 km/h (158 mph)	Almost the same as actual vehicle speed	-
      Coolant Temperature	Engine coolant temperature / 0 to 127.5°C (0 to 261.5°F)	After warming up: 75 to 100°C (167 to 212°F)	-
      +B Voltage Value	Auxiliary battery voltage / Min.: 0 V, Max.: 25.5 V	11 to 14 V	-

6. Details of relevant Data List items (Selected system: Power Source Control)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Power Source Control / Data List.

   5. Read the Data List according to the display on the GTS.

      Power Source Control

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Vehicle Speed Signal	Vehicle moving or stationary/Stop or Run	Stop: Vehicle stopped Run: Vehicle moving at 5 km/h (3 mph) or more	-
      Shift P Signal Pulse	Status of the shift P signal pulse/Normal1, Normal2, Normal3, Unknown, Error1, Error2 or Error3	Normal1: Signal normal and park (P) state cannot be determined Normal2: Signal normal and park (P) selected Normal3: Signal normal and R, N, D or B selected Unknown: Other Error1: Signal abnormal and park (P) state cannot be determined Error2: Signal abnormal and park (P) selected Error3: Signal abnormal and R, N, D or B selected	Use this item to determine if the P position signal is malfunctioning.
      Power Supply Condition	State of power supply/All OFF, ACC ON, IG1 ON, IG2 ON, ST ON	All OFF: Power switch off (power supply off) ACC ON: Power switch on (ACC) (ACC relay on) IG1 ON: Power switch on (IG) (IG1 relay on) IG2 ON: Power switch on (IG) (IG2 relay on) ST ON: Starting hybrid control system	Since "IG1 ON" and "IG2 ON" turn "on" at approximately the same time, "IG1 ON" may not be displayed ("IG1 ON" turns on for a very short time).

7. Details of relevant Data List items (Selected system: ABS/VSC/TRC)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Warm up the engine.

   2. Turn the power switch off.

   3. Connect the GTS to the DLC3.

   4. Turn the power switch on (IG).

   5. Turn the GTS on.

   6. Enter the following menus: Chassis / ABS/VSC/TRC / Data List.

   7. Read the Data List according to the display on the GTS.

      ABS/VSC/TRC

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Stroke Sensor	Brake pedal stroke sensor / Min.: 0.00 V, Max.: 5.00 V	When brake pedal released: 0.65 to 1.35 V	Reading increases when brake pedal is depressed
      Stroke Sensor2	Brake pedal stroke sensor 2 / Min.: 0.00 V, Max.: 5.00 V	When brake pedal released: 3.65 to 4.35 V	Reading decreases when brake pedal is depressed
      Deceleration Sensor	Acceleration sensor 1 / Min.: -18.525 m/s2, Max.: 18.387 m/s2	-	During deceleration/acceleration: Changes continuously
      Deceleration Sensor2	Acceleration sensor 2 / Min.: -18.525 m/s2, Max.: 18.387 m/s2	-	During deceleration/acceleration: Changes continuously
      Yaw Rate Sensor	Yaw rate sensor 1 / Min.: -128 degrees/s, Max.: 127degrees/s	Vehicle stationary: 0 degrees/s Right turn: -128 to 0 degrees/s Left turn: 0 to 127 degrees/s	-
      Yaw Rate Sensor2	Yaw rate sensor 2 / Min.: -128 degrees/s, Max.: 127 degrees/s	Vehicle stationary: 0 degrees/s Right turn: -128 to 0 degrees/s Left turn: 0 to 127 degrees/s	-
      Steering Angle Sensor	Steering angle sensor / Min.: -3276.8 degrees, Max.: 3276.7 degrees	Left turn: Increase Right turn: Decrease	-
      FR Wheel Speed	Front speed sensor RH / Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations
      FL Wheel Speed	Front speed sensor LH / Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations
      RR Wheel Speed	Rear speed sensor RH / Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations
      RL Wheel Speed	Rear speed sensor LH / Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations
      Vehicle Speed	Maximum wheel speed sensor / Min.: 0 km/h (0 mph), Max.: 326 km/h (202 mph)	Vehicle stopped: 0 km/h (0 mph)	When driving at constant speed: No large fluctuations

8. Details of relevant Data List items (Selected system: EMPS)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Turn the power switch off.

   2. Connect the GTS to the DLC3.

   3. Turn the power switch on (IG).

   4. Turn the GTS on.

   5. Enter the following menus: Chassis / EMPS / Data List.

   6. Read the Data List according to the display on the GTS.

      EMPS

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Meter Vehicle Velocity	Vehicle speed from meter/ Min.: 0.0 km/h (0.0 mph) Max.: 300.0 km/h (186.4 mph)	Power switch on (READY) and vehicle stopped: 0 km/h (0 mph) Power switch on (READY) and vehicle driven at a constant speed: No significant fluctuation	-
      Steering Angle Velocity	Steering angle speed/ Min.: -32768 deg/s Max.: 32767 deg/s	Value changes in proportion to steering speed - The value rises in left turn - The value descends in right turn	Power switch on (READY) and steering wheel being turned
      IG Power Supply	IG power source voltage/ Min.: 0.0000 V Max.: 20.1531 V	9 to 16 V	Power switch on (IG)

9. Details of relevant Data List items (Selected system: Radar Cruise)

   Tech Tips

   Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

   Note

   In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Entire the following menus: Powertrain / Radar Cruise / Data List.

   5. Read the Data List according to the display on the GTS.

      Radar Cruise

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Vhcl Spd-Brake ECU	Vehicle speed / min.: -327 km/h (-203 mph), max.: 327 km/h (204 mph)	Actual vehicle speed	-
      Rear Whl Spd LH Sensor	Rear speed sensor LH signal / Normal or Abnoml	Normal: Rear speed sensor LH is normal Abnormal: Rear speed sensor LH is abnormal	-
      Rear Whl Spd RH Sensor	Rear speed sensor RH signal / Normal or Abnoml	Normal: Rear speed sensor RH is normal Abnormal: Rear speed sensor RH is abnormal	-
      Front Whl Spd LH Sensor	Front speed sensor LH signal / Normal or Abnoml	Normal: Front speed sensor LH is normal Abnormal: Front speed sensor LH is abnormal	-
      Front Whl Spd RH Sensor	Front speed sensor RH signal / Normal or Abnoml	Normal: Front speed sensor RH is normal Abnormal: Front speed sensor RH is abnormal	-
      Steering Angle	Steering angle / min.: -3072 deg, max.: 3070.5 deg	Actual steering angle	-
      Yaw Rate Sensor	Yaw rate value / min.: -100 deg/s, max.: 100 deg/s	Actual yaw rate value	-
      Deceleration Sensor 1	Deceleration value / min.: -14.7 m/s2, max.: 14.7 m/s2	Actual deceleration value	-
      Deceleration Sensor 2	Deceleration value / min.: -14.7 m/s2, max.: 14.7 m/s2	Actual deceleration value	-
      Cruise Control Main Switch	Cruise control switch signal / ON or OFF	ON: Cruise control switch on OFF: Cruise control switch off	-

10. Details of relevant Data List items (Selected system: IPA/Parking Assist Monitor)

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    Tech Tips

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    
    

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / IPA/Parking Assist Monitor / Data List.

    5. Read the Data List according to the display on the GTS.

       IPA/Parking Assist Monitor

       Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
       Temp Sensor Activate Status	Ambient temperature sensor status/valid or invalid	OK: Ambient temperature sensor available NG: Ambient temperature sensor not available	-
       Temp Sensor Status	Ambient temperature sensor status/OK or NG	OK: Ambient temperature sensor available NG: Ambient temperature sensor not available	-
       IG Voltage Low Status	IG voltage input to parking assist ECU/OK or NG	OK: IG voltage normal NG: IG voltage abnormal (too low)	-

11. Details of relevant Data List items (Selected system: Transmission Control)

    Note

    
    

    • Some Data List values may vary significantly if there are slight differences in the environment in which the vehicle is operating when measurements are obtained. Variations may also occur due to aging of the vehicle. Due to these considerations, it is not always possible to provide definite values to be used for judgment of malfunctions. It is possible that a malfunction may be present even if measured values are within the reference range.

    • In the event of a problem with intricate symptoms, collect sample data from another vehicle of the same model operating under identical conditions in order to reach an overall judgment by comparing all the items in the Data List.

    Tech Tips

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    
    

    1. Warm up the engine.

    2. Turn the power switch off.

    3. Connect the GTS to the DLC3.

    4. Turn the power switch on (IG).

    5. Turn the GTS on.

    6. Enter the following menus: Body Electrical / Transmission Control / Data List.

    7. Read the Data List according to the display on the GTS.

       Transmission Control

       Tester Display	Measurement Item/Range	Normal Condition	Normal Condition
       Shift Pos Display (P)	Shift position display (P) / ON or OFF	ON: Park (P) selected OFF: A shift state other than park (P) selected (when normal)	-
       IG (+B) Voltage Value	IG (+B) voltage value / Min: 0.00 V, Max: 19.00 V	8.00 to 16.00 V: On (IG)	+B signal circuit

12. Details of relevant Data List items (Selected system: Pre-Crash 2)

    Tech Tips

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    
    

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Pre-Crash 2 / Data List.

    5. Read the Data List according to the display on the GTS.

       Pre-Crash 2

       Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
       Pre-Crash Brake OFF Switch	Pre-crash brake off switch status/ ON or OFF	ON: Pre-crash safety system cancel switch assembly on OFF: Pre-crash safety system cancel switch assembly off	-

13. Details of relevant Data List items (Selected system: Main Body)

    Tech Tips

    Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    
    

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

    5. Read the Data List according to the display on the GTS.

       Main Body

       Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
       FL Door Courtesy	Front door courtesy light switch LH signal/ON or OFF	ON: Front door LH closed OFF: Front door LH open	-

14. Details of relevant Data List items (Selected system: Entry&Start)

    Note

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

    Tech Tips

    
    

    • Using the GTS to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    • When using the GTS with the power switch off to troubleshoot: Connect the GTS to the DLC3 and turn a courtesy light switch on and off at 1.5-second intervals until communication between the GTS and vehicle begins.

    
    

    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Entry&Start / Data List.

    5. Read the Data List according to the display on the GTS.

       Entry&Start

       Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
       D-Door Touch Sensor	Driver door touch sensor (unlock sensor) / ON or OFF	ON: Driver door touch sensor (unlock sensor) touched OFF: Driver door touch sensor (unlock sensor) not touched	Displays whether the unlock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily). Use this Data List item to help determine if there is an unlock sensor malfunction when the entry unlock function does not operate.