CAN COMMUNICATION SYSTEM(for LHD without Entry and Start System) DIAGNOSIS SYSTEM


  1. BUS CHECK (COMMUNICATION BUS CHECK)


    1. Select "Bus Check" from "System Select".

  2. CHECK INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION


    1. Systems (ECUs and sensors) that use CAN communication vary depending on the optional settings of the vehicle. Check which systems (ECUs and sensors) are installed on the vehicle.

      ECU/Sensor Name Tester Display Installed on
      ECM ECM (Engine) All vehicles
      Master cylinder solenoid (skid control ECU) Skid Control (ABS/VSC/TRAC) for 1KD-FTV
      Brake actuator assembly (skid control ECU) Skid Control (ABS/VSC/TRAC) for 2TR-FE, 5L-E
      Yaw rate sensor assembly Yaw Rate Sensor All vehicles
      Spiral cable sub-assembly (steering angle sensor) Spiral cable (Steering Angle Sensor) w/ Vehicle Stability Control System
      Power steering ECU assembly PPS w/ Vehicle Stability Control System
      Center airbag sensor assembly Airbag All vehicles
      Main body ECU (multiplex network body ECU) Main Body All vehicles
      Combination meter assembly Combination Meter All vehicles
      Radio and display receiver assembly Display and Navigation (AVN1) w/ Audio and Visual System (for Radio and Display Type)
      Four wheel drive control ECU Four Wheel Drive Control All vehicles
      Air conditioning amplifier assembly Air Conditioning Amplifier All vehicles
      Network gateway ECU CAN Gateway1 w/ Network Gateway ECU
      Clearance warning ECU assembly Clearance Warning (Clearance Sonar) w/ TOYOTA Parking Assist-sensor System (for 4 Sensor Type)
      Headlight swivel ECU assembly Headlight swivel (AFS) for LED Headlight
      Driving support switch control ECU D-SEAT SW w/ Multi-function Switch
      Transmission control ECU assembly TCM for 1KD-FTV and Automatic Transmission
      Telematics transceiver DCM w/ Telematics Transceiver

  3. DTC TABLE BY ECU

    Tech Tips


    • In the CAN communication system, CAN communication system DTCs stored by an ECU can be output by using the GTS.

    • If CAN communication system DTCs are output, the trouble cannot be determined solely from the DTCs. Perform troubleshooting according to "How to Proceed with Troubleshooting".

      Click here


    1. ECM


      • For vehicle with a 1KD-FTV engine.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0101*1, *2 Lost Communication with TCM

      • *1: for Automatic Transmission

      • *2: Refer to the ECD System.

        Click here

    2. TRANSMISSION CONTROL ECU ASSEMBLY


      • For vehicle with a 1KD-FTV engine.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100*1, *2 Lost Communication with ECM/PCM "A"

      • *1: for Automatic Transmission

      • *2: Refer to Automatic Transmission System.

        Click here

    3. MASTER CYLINDER SOLENOID (SKID CONTROL ECU)


      • For vehicle with a 1KD-FTV engine.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0073 Control Module Communication Bus Off
      U0100 Lost Communication With ECM/PCM "A"
      U0114 Lost Communication With Four-Wheel Drive Clutch Control Module
      U0123 Lost Communication With Yaw Rate Sensor Module
      U0124 Lost Communication With Lateral Acceleration Sensor Module
      U0126 Lost Communication With Steering Angle Sensor Module

    4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)


      • For vehicle with a 2TR-FE, 5L-E engine.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0073 Control Module Communication Bus Off
      U0100 Lost Communication With ECM/PCM "A"
      U0114 Lost Communication With Four-Wheel Drive Clutch Control Module
      U0123 Lost Communication With Yaw Rate Sensor Module
      U0124 Lost Communication With Lateral Acceleration Sensor Module
      U0126 Lost Communication With Steering Angle Sensor Module

    5. MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication With ECM/PCM "A"
      U0101 Lost Communication with TCM
      U0151 Lost Communication with Restraints Control Module
      U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
      U0164 Lost Communication with HVAC Control Module
      U0182 Lost Communication with AFS
      U1002 Lost Communication with Gateway Module (MS Bus)
      U1114 Lost Communication with Main Switch Module

    6. COMBINATION METER ASSEMBLY

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication with ECM/PCM "A"
      U0129 Lost Communication with Brake System Control Module
      U0131 Lost Communication with Power Steering Control Module
      U0142 Lost Communication with Body Control Module "B"
      U0151 Lost Communication with Restraints Control Module

    7. AIR CONDITIONING AMPLIFIER ASSEMBLY

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication With ECM/PCM "A"
      U0142 Lost Communication With Body Control Module "B"
      U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
      U0163 Lost Communication With Navigation Control Module

    8. POWER STEERING ECU ASSEMBLY


      • For vehicle with a vehicle stability control system.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication with ECM/PCM "A"
      U0126 Lost Communication with Steering Angle Sensor Module
      U0129 Lost Communication with Brake System Control Module

    9. RADIO AND DISPLAY RECEIVER ASSEMBLY


      • For vehicles with an audio and visual system (for radio and display type).

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0073 Sending Malfunction (Navigation to APGS)
      U0100 Engine ECU Communication
      U0140 Lost Communication with Body Control Module
      U1110 Clearance Sonar ECU Communication

    10. NETWORK GATEWAY ECU


      • For vehicles with a network gateway ECU.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0182 Lost Communication With Lighting Control Module Front
      U1002 Lost Communication with Gateway Module
      U1110 Lost Communication with Clearance Sonar Module

    11. CLEARANCE WARNING ECU ASSEMBLY


      • For vehicles with a TOYOTA parking assist-sensor system (for 4 sensor type).

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication with ECM/PCM "A"
      U0101 Lost Communication with TCM
      U0142 Lost Communication with Body Control Module "B"
      U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module

    12. HEADLIGHT SWIVEL ECU ASSEMBLY


      • For vehicles with a LED headlight.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication with ECM/PCM "A"
      U0129 Lost Communication with Brake System Control Module
      U0142 Lost Communication with Body Control Module "B"

    13. DRIVING SUPPORT SWITCH CONTROL ECU


      • For vehicles with a multi-function switch.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0142 Mainbody ECU communication circuit

    14. TELEMATICS TRANSCEIVER


      • For vehicles with a telematics transceiver.

      Tech Tips

      DTC communication uses the CAN communication system.

      DTC Code Detection Item
      U0100 Lost Communication with ECM/PCM "A"

    15. CENTER AIRBAG SENSOR ASSEMBLY

      Tech Tips

      The center airbag sensor assembly is connected to the CAN communication system but CAN communication DTCs are not stored.

    16. YAW RATE SENSOR ASSEMBLY

      Tech Tips

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

    17. SPIRAL CABLE SUB-ASSEMBLY (STEERING ANGLE SENSOR)


      • For vehicle with a vehicle stability control system.

      Tech Tips

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

  4. DTC COMBINATION TABLE

    Tech Tips


    • ○: Stored.

    • X: When one side of branch wire is open, storage may occur.

    • -: Not stored.

    • *1: Only stored when communication recovery has occurred. During communication stop, cannot be stored.

    • *2: Only output while a malfunction present and the ignition switch is ON.

    • *3: for 1KD-FTV

    • *4: for 2TR-FE, 5L-E

    Output from Output DTC Detected Communication Stop Mode
    V1 Bus
    Main Body ECU Communication Stop Mode ECM Communication Stop Mode Skid Control ECU Communication Stop Mode*3 Brake Actuator (Skid Control ECU) Communication Stop Mode*4
    Main Body ECU (Multiplex Network Body ECU) U0100

    ○

    [*1]

    		 ○ X X
    U0101

    ○

    [*1]

    		 ○ X X
    U0151

    ○

    [*1]

    		 X X X
    U0155

    ○

    [*1]

    		 X X X
    U0164

    ○

    [*1]

    		 X X X
    U0182

    ○

    [*1]

    		 X X X
    U1002 - - - -
    U1114 - - - -
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 X X

    ○

    [*1]

    		 -
    U0100*2 X ○

    ○

    [*1]

    		 -
    U0114*2 X X

    ○

    [*1]

    		 -
    U0123*2 X X

    ○

    [*1]

    		 -
    U0124*2 X X

    ○

    [*1]

    		 -
    U0126*2 X X

    ○

    [*1]

    		 -
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 X X -

    ○

    [*1]
    U0100*2 X ○ -

    ○

    [*1]
    U0114*2 X X -

    ○

    [*1]
    U0123*2 X X -

    ○

    [*1]
    U0124*2 X X -

    ○

    [*1]
    U0126*2 X X -

    ○

    [*1]
    Power Steering ECU Assembly U0100 X ○ X X
    U0126 X X X X
    U0129 X X ○ X
    Combination Meter Assembly U0100 X ○ X X
    U0129 X X ○ X
    U0131 X X X X
    U0142 ○ X X X
    U0151 X X X X
    Radio and Display Receiver Assembly U0073 X X X X
    U0100 X ○ X X
    U0140 ○ X X X
    U1110 X X X X
    Air Conditioning Amplifier Assembly U0100 X ○ X X
    U0142 ○ X X X
    U0155 X X X X
    U0163 X X X X
    Network Gateway ECU U0182 - - - -
    U1002 - - - -
    U1110 - - - -
    Clearance Warning ECU Assembly U0100 X ○ X -
    U0101 X ○ X -
    U0142 ○ X X -
    U0155 X X X -
    Headlight Swivel ECU Assembly U0100 X ○ X -
    U0129 X X ○ -
    U0142 ○ X X -
    Driving Support Switch Control ECU U0142 - - - -
    Telematics Transceiver U0100 X ○ X X
    Output from Output DTC Detected Communication Stop Mode
    V1 Bus
    Yaw Rate Sensor Communication Stop Mode Steering Angle Sensor Communication Stop Mode Power Steering ECU Communication Stop Mode DCM Communication Stop Mode
    Main Body ECU (Multiplex Network Body ECU) U0100 X X X X
    U0101 X X X X
    U0151 X X X X
    U0155 X X X X
    U0164 X X X X
    U0182 X X X X
    U1002 - - - -
    U1114 - - - -
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 X X X X
    U0100*2 X X X X
    U0114*2 X X X X
    U0123*2 ○ X X X
    U0124*2 ○ X X X
    U0126*2 X ○ X X
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 X X X X
    U0100*2 X X X X
    U0114*2 X X X X
    U0123*2 ○ X X X
    U0124*2 ○ X X X
    U0126*2 X ○ X X
    Power Steering ECU Assembly U0100 X X

    ○

    [*1]

    		 X
    U0126 X ○

    ○

    [*1]

    		 X
    U0129 X X

    ○

    [*1]

    		 X
    Combination Meter Assembly U0100 X X X X
    U0129 X X X X
    U0131 X X ○ X
    U0142 X X X X
    U0151 X X X X
    Radio and Display Receiver Assembly U0073 X X X X
    U0100 X X X X
    U0140 X X X X
    U1110 X X X X
    Air Conditioning Amplifier Assembly U0100 X X X X
    U0142 X X X X
    U0155 X X X X
    U0163 X X X X
    Network Gateway ECU U0182 - - - -
    U1002 - - - -
    U1110 - - - -
    Clearance Warning ECU Assembly U0100 X X X X
    U0101 X X X X
    U0142 X X X X
    U0155 X X X X
    Headlight Swivel ECU Assembly U0100 X X X X
    U0129 X X X X
    U0142 X X X X
    Driving Support Switch Control ECU U0142 - - - -
    Telematics Transceiver U0100 X X X

    ○

    [*1]
    Output from Output DTC Detected Communication Stop Mode
    V1 Bus
    Center Airbag Sensor Communication Stop Mode Combination Meter ECU Communication Stop Mode Audio Receiver Assembly Communication Stop Mode
    Main Body ECU (Multiplex Network Body ECU) U0100 X X X
    U0101 X X X
    U0151 ○ X X
    U0155 X ○ X
    U0164 X X X
    U0182 X X X
    U1002 - - -
    U1114 - - -
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 X X X
    U0100*2 X X X
    U0114*2 X X X
    U0123*2 X X X
    U0124*2 X X X
    U0126*2 X X X
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 X X X
    U0100*2 X X X
    U0114*2 X X X
    U0123*2 X X X
    U0124*2 X X X
    U0126*2 X X X
    Power Steering ECU Assembly U0100 X X X
    U0126 X X X
    U0129 X X X
    Combination Meter Assembly U0100 X

    ○

    [*1]

    		 X
    U0129 X

    ○

    [*1]

    		 X
    U0131 X

    ○

    [*1]

    		 X
    U0142 X

    ○

    [*1]

    		 X
    U0151 ○

    ○

    [*1]

    		 X
    Radio and Display Receiver Assembly U0073 X X

    ○

    [*1]
    U0100 X X

    ○

    [*1]
    U0140 X X

    ○

    [*1]
    U1110 X X

    ○

    [*1]
    Air Conditioning Amplifier Assembly U0100 X X X
    U0142 X X X
    U0155 X ○ X
    U0163 X X X
    Network Gateway ECU U0182 - - -
    U1002 - - -
    U1110 - - -
    Clearance Warning ECU Assembly U0100 X X X
    U0101 X X X
    U0142 X X X
    U0155 X ○ X
    Headlight Swivel ECU Assembly U0100 X X X
    U0129 X X X
    U0142 X X X
    Driving Support Switch Control ECU U0142 - - -
    Telematics Transceiver U0100 X X X
    Output from Output DTC Detected Communication Stop Mode
    V1 Bus
    4WD Control ECU Communication Stop Mode Air Conditioning Amplifier Communication Stop Mode Gateway ECU Communication Stop Mode
    Main Body ECU (Multiplex Network Body ECU) U0100 X X X
    U0101 X X X
    U0151 X X X
    U0155 X X X
    U0164 X ○ X
    U0182 X X ○
    U1002 - - -
    U1114 - - -
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 X X X
    U0100*2 X X X
    U0114*2 ○ X X
    U0123*2 X X X
    U0124*2 X X X
    U0126*2 X X X
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 X X X
    U0100*2 X X X
    U0114*2 ○ X X
    U0123*2 X X X
    U0124*2 X X X
    U0126*2 X X X
    Power Steering ECU Assembly U0100 X X X
    U0126 X X X
    U0129 X X X
    Combination Meter Assembly U0100 X X X
    U0129 X X X
    U0131 X X X
    U0142 X X X
    U0151 X X X
    Radio and Display Receiver Assembly U0073 X X X
    U0100 X X X
    U0140 X X X
    U1110 X - ○
    Air Conditioning Amplifier Assembly U0100 X

    ○

    [*1]

    		 X
    U0142 X

    ○

    [*1]

    		 X
    U0155 X

    ○

    [*1]

    		 X
    U0163 X

    ○

    [*1]

    		 X
    Network Gateway ECU U0182 - - -
    U1002 - - -
    U1110 - - -
    Clearance Warning ECU Assembly U0100 X - ○
    U0101 X - ○
    U0142 X - ○
    U0155 X - ○
    Headlight Swivel ECU Assembly U0100 X X ○
    U0129 X X ○
    U0142 X X ○
    Driving Support Switch Control ECU U0142 - - -
    Telematics Transceiver U0100 X X X
    Output from Output DTC Detected Communication Stop Mode
    V2 Bus
    Gateway ECU Communication Stop Mode Clearance Warning ECU Assembly Communication Stop Mode Headlight Swivel ECU Assembly Communication Stop Mode
    Main Body ECU (Multiplex Network Body ECU) U0100 - - -
    U0101 - - -
    U0151 - - -
    U0155 - - -
    U0164 - - -
    U0182 ○ X ○
    U1002 - - -
    U1114 - - -
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 - - -
    U0100*2 - - -
    U0114*2 - - -
    U0123*2 - - -
    U0124*2 - - -
    U0126*2 - - -
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 - - -
    U0100*2 - - -
    U0114*2 - - -
    U0123*2 - - -
    U0124*2 - - -
    U0126*2 - - -
    Power Steering ECU Assembly U0100 - - -
    U0126 - - -
    U0129 - - -
    Combination Meter Assembly U0100 - - -
    U0129 - - -
    U0131 - - -
    U0142 - - -
    U0151 - - -
    Radio and Display Receiver Assembly U0073 - - -
    U0100 - - -
    U0140 - - -
    U1110 ○ ○ X
    Air Conditioning Amplifier Assembly U0100 - - -
    U0142 - - -
    U0155 - - -
    U0163 - - -
    Network Gateway ECU U0182 ○ X ○
    U1002 ○ X X
    U1110 ○ ○ X
    Clearance Warning ECU Assembly U0100 ○

    ○

    [*1]

    		 X
    U0101 ○

    ○

    [*1]

    		 X
    U0142 ○

    ○

    [*1]

    		 X
    U0155 ○

    ○

    [*1]

    		 X
    Headlight Swivel ECU Assembly U0100 ○ X

    ○

    [*1]
    U0129 ○ X

    ○

    [*1]
    U0142 ○ X

    ○

    [*1]
    Driving Support Switch Control ECU U0142 - - -
    Telematics Transceiver U0100 - - -
    Output from Output DTC Detected Communication Stop Mode
    MS Bus
    Driving Support Switch Control ECU Communication Stop Mode Main Body ECU Communication Stop Mode
    Main Body ECU (Multiplex Network Body ECU) U0100 - -
    U0101 - -
    U0151 - -
    U0155 - -
    U0164 - -
    U0182 - -
    U1002 X

    ○

    [*1]
    U1114 ○

    ○

    [*1]
    Master Cylinder Solenoid (Skid Control ECU)*3 U0073*2 - -
    U0100*2 - -
    U0114*2 - -
    U0123*2 - -
    U0124*2 - -
    U0126*2 - -
    Brake Actuator Assembly (Skid Control ECU)*4 U0073*2 - -
    U0100*2 - -
    U0114*2 - -
    U0123*2 - -
    U0124*2 - -
    U0126*2 - -
    Power Steering ECU Assembly U0100 - -
    U0126 - -
    U0129 - -
    Combination Meter Assembly U0100 - -
    U0129 - -
    U0131 - -
    U0142 - -
    U0151 - -
    Radio and Display Receiver Assembly U0073 - -
    U0100 - -
    U0140 - -
    U1110 - -
    Air Conditioning Amplifier Assembly U0100 - -
    U0142 - -
    U0155 - -
    U0163 - -
    Network Gateway ECU U0182 - -
    U1002 - -
    U1110 - -
    Clearance Warning ECU Assembly U0100 - -
    U0101 - -
    U0142 - -
    U0155 - -
    Headlight Swivel ECU Assembly U0100 - -
    U0129 - -
    U0142 - -
    Driving Support Switch Control ECU U0142 ○

    ○

    [*1]
    Telematics Transceiver U0100 - -