DTC Code | DTC Name |
---|---|
U1002 | Lost Communication with Gateway Module (Power Management1) |
DESCRIPTION
The power management control ECU stores this DTC when no signals can be received from the ECUs that have been memorized as those connected to the V2 bus.
When the power management control ECU receives a response signal from the ECUs connected to the V2 bus, the power management control ECU recognizes and memorizes that the ECU is connected to the V2 bus. Based on this memorized data, the power management control ECU monitors for malfunctions in the ECUs connected to the V2 bus when communicating with those ECUs. If the power management control ECU cannot receive response signals from the ECUs that have been memorized as those connected to the V2 bus, the power management control ECU determines that a malfunction exists.
If 2 or more DTCs are output during the DTC check, one side of the CAN branch wire may be open (one side of the CANH [CAN branch wire]/CANL [CAN branch wire] of the ECU and/or sensor is open).
DTC Code | DTC Detection Condition | Trouble Area |
---|---|---|
U1002 | Lost communication with the gateway module (Power Management1). |
|
*1: w/ Side Monitor System
*2: w/ TOYOTA Parking Assist-sensor System
*3: w/ Pre-crash Safety System
*4: w/ Kinetic Dynamic Suspension System
*5: w/ Blind Spot Monitor System
*6: w/ Air Suspension System
*7: for LED Headlight
*8: for 1GR-FE, 1GD-FTV
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Tech Tips
Operating the engine switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.
PROCEDURE
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the CAN main wire and the CAN branch wire.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the airbag system.
Note
After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work Click here.
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.
NEXT |
CHECK CAN BUS WIRE (CAN MAIN WIRE FOR DISCONNECTION, BUS LINE FOR SHORT CIRCUIT)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Component with harness connector (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||
|
Result | Proceed to |
---|---|
NG
|
A |
NG
|
B |
OK | C |
B |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR SIDE) Click here |
C |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BATTERY AND BODY GROUND) Click here |
A |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 3 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
Disconnect the G98 No. 3 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 3 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
Result | Proceed to |
---|---|
OK | A |
NG (w/ Blind Spot Monitor System) | B |
NG (w/o Blind Spot Monitor System) | C |
A |
REPLACE NO. 3 JUNCTION CONNECTOR |
B |
CONNECT CONNECTOR Click here |
C |
CONNECT CONNECTOR Click here |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (POWER MANAGEMENT CONTROL ECU - NO. 3 JUNCTION CONNECTOR)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Rear view of wire harness connector (to Power Management Control ECU) |
Disconnect the G51 power management control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
||||||
|
OK |
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
NG |
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO POWER MANAGEMENT CONTROL ECU (POWER MANAGEMENT CONTROL ECU - NO. 3 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 6 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 6 Junction Connector) |
Disconnect the R47 No. 6 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 6 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 6 Junction Connector) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 6 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 6 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the R47 No. 6 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 2 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
Disconnect the G95 No. 2 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 2 JUNCTION CONNECTOR - NO. 6 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 2 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 JUNCTION CONNECTOR - NO. 6 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 2 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
Disconnect the G95 No. 2 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 2 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 2 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 JUNCTION CONNECTOR - NO. 3 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 1 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 1 Junction Connector) |
Disconnect the A72 No. 1 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 1 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 1 Junction Connector) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 1 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 1 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the A72 No. 1 junction connector.
NEXT |
CHECK FOR OPEN IN CAN BUS MAIN WIRE (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 4 Junction Connector) |
Disconnect the G102 No. 4 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||
---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 4 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR) |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR SIDE)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Component with harness connector (Power Management Control ECU) |
Disconnect the A72 No. 1 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - HEADLIGHT SWIVEL ECU ASSEMBLY)
Note
For vehicles with a halogen headlight, go to "Check for Short in CAN Bus Wires (No. 1 Junction Connector - No. 4 Junction Connector)".
*a | Rear view of wire harness connector (to No. 1 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 1 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 1 JUNCTION CONNECTOR |
NG |
CONNECT CONNECTOR Click here |
CONNECT CONNECTOR
Reconnect the A72 No. 1 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (HEADLIGHT SWIVEL ECU ASSEMBLY)
*a | Front view of wire harness connector (to Headlight Swivel ECU Assembly) |
*b | Front view of DLC3 |
Disconnect the A58 headlight swivel ECU assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO HEADLIGHT SWIVEL ECU ASSEMBLY (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the A72 No. 1 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 4 Junction Connector) |
*b | Front view of DLC3 |
Disconnect the G102 No. 4 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 4 JUNCTION CONNECTOR |
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 4 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR) |
CONNECT CONNECTOR
Reconnect the A72 No. 1 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
*b | Front view of DLC3 |
Disconnect the G95 No. 2 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 2 JUNCTION CONNECTOR - NO. 1 JUNCTION CONNECTOR) |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR SIDE)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Component with harness connector (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||
|
Result | Proceed to |
---|---|
OK | A |
NG (w/ Blind Spot Monitor System) | B |
NG (w/o Blind Spot Monitor System) | C |
B |
CONNECT CONNECTOR Click here |
C |
CONNECT CONNECTOR Click here |
A |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY)
Note
For vehicles without a TOYOTA parking assist-sensor system (for 4 sensor type), go to "Check for Short in CAN Bus Wires (No. 2 Junction Connector - Parking Assist ECU)".
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - PARKING ASSIST ECU)
Note
For vehicles without a side monitor system, go to "Check for Short in CAN Bus Wires (No. 2 Junction Connector - Stabilizer Control ECU)".
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - STABILIZER CONTROL ECU)
Note
For vehicles without a kinetic dynamic suspension system, go to "Check for Short in CAN Bus Wires (No. 2 Junction Connector - Seat Belt Control ECU)".
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - SEAT BELT CONTROL ECU)
Note
For vehicles without a pre-crash safety system, replace No. 2 junction connector.
*a | Rear view of wire harness connector (to No. 2 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 2 JUNCTION CONNECTOR |
NG |
CONNECT CONNECTOR Click here |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (CLEARANCE WARNING ECU ASSEMBLY)
*a | Front view of wire harness connector (to Clearance Warning ECU Assembly) |
*b | Front view of DLC3 |
Disconnect the I1 clearance warning ECU assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CLEARANCE WARNING ECU ASSEMBLY (R1, R2) |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (PARKING ASSIST ECU)
*a | Rear view of wire harness connector (to Parking Assist ECU) |
*b | Front view of DLC3 |
Disconnect the I7 parking assist ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE PARKING ASSIST ECU Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO PARKING ASSIST ECU (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (STABILIZER CONTROL ECU)
*a | Rear view of wire harness connector (to Stabilizer Control ECU) |
*b | Front view of DLC3 |
Disconnect the G123 stabilizer control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE STABILIZER CONTROL ECU Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO STABILIZER CONTROL ECU (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (SEAT BELT CONTROL ECU)
*a | Rear view of wire harness connector (to Seat Belt Control ECU) |
*b | Front view of DLC3 |
Disconnect the G118 seat belt control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE SEAT BELT CONTROL ECU Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SEAT BELT CONTROL ECU (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 6 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 6 Junction Connector) |
*b | Front view of DLC3 |
Disconnect the R47 No. 6 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 6 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR) |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 6 JUNCTION CONNECTOR SIDE)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Component with harness connector (Power Management Control ECU) |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 6 JUNCTION CONNECTOR - BLIND SPOT MONITOR SENSOR LH)
*a | Rear view of wire harness connector (to No. 6 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 6 JUNCTION CONNECTOR |
NG |
CONNECT CONNECTOR
Reconnect the R47 No. 6 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (BLIND SPOT MONITOR SENSOR LH)
*a | Front view of wire harness connector (to Blind Spot Monitor Sensor LH) |
*b | Front view of DLC3 |
Disconnect the R42 blind spot monitor sensor LH connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE BLIND SPOT MONITOR SENSOR LH Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO BLIND SPOT MONITOR SENSOR LH (CA1P, CA1N) |
CONNECT CONNECTOR
Reconnect the R47 No. 6 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 6 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Disconnect the G98 No. 3 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 3 JUNCTION CONNECTOR - NO. 6 JUNCTION CONNECTOR) |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - SUSPENSION CONTROL ECU)
Note
For vehicles without an air suspension system, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Driving Support ECU Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - DRIVING SUPPORT ECU ASSEMBLY)
Note
For vehicles without a pre-crash safety system, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Clearance Warning ECU Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY)
Note
For vehicles without a TOYOTA parking assist-sensor system (for 8 sensor type), go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Air Conditioning Amplifier Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)
Note
For vehicles with 1KD-FTV, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Power Management Control ECU)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 3 JUNCTION CONNECTOR |
NG |
CONNECT CONNECTOR Click here |
CONNECT CONNECTOR
Reconnect the G95 No. 2 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Disconnect the G98 No. 3 junction connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 3 JUNCTION CONNECTOR - NO. 2 JUNCTION CONNECTOR) |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - SUSPENSION CONTROL ECU)
Note
For vehicles without an air suspension system, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Driving Support ECU Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - DRIVING SUPPORT ECU ASSEMBLY)
Note
For vehicles without a pre-crash safety system, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Clearance Warning ECU Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - CLEARANCE WARNING ECU ASSEMBLY)
Note
For vehicles without a TOYOTA parking assist-sensor system (for 8 sensor type), go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Air Conditioning Amplifier Assembly)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER ASSEMBLY)
Note
For vehicles with 1KD-FTV, go to "Check for Short in CAN Bus Wires (No. 3 Junction Connector - Power Management Control ECU)".
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
CONNECT CONNECTOR Click here |
OK |
CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)
*a | Rear view of wire harness connector (to No. 3 Junction Connector) |
*b | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE NO. 3 JUNCTION CONNECTOR |
NG |
CONNECT CONNECTOR Click here |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (SUSPENSION CONTROL ECU)
*a | Rear view of wire harness connector (to Suspension Control ECU) |
*b | Front view of DLC3 |
Disconnect the A49 suspension control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE SUSPENSION CONTROL ECU Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SUSPENSION CONTROL ECU (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (DRIVING SUPPORT ECU ASSEMBLY)
*a | Rear view of wire harness connector (to Driving Support ECU Assembly) |
*b | Front view of DLC3 |
Disconnect the G119 driving support ECU assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE DRIVING SUPPORT ECU ASSEMBLY Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DRIVING SUPPORT ECU ASSEMBLY (CA2H, CA2L) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (CLEARANCE WARNING ECU ASSEMBLY)
*a | Front view of wire harness connector (to Clearance Warning ECU Assembly) |
*b | Front view of DLC3 |
Disconnect the G154 clearance warning ECU assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE CLEARANCE WARNING ECU ASSEMBLY Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CLEARANCE WARNING ECU ASSEMBLY (R1, R2) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER ASSEMBLY)
*a | Front view of wire harness connector (to Air Conditioning Amplifier Assembly) |
*b | Front view of DLC3 |
Disconnect the G25 air conditioning amplifier assembly connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Click here |
NG |
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO AIR CONDITIONING AMPLIFIER ASSEMBLY (CANH, CANL) |
CONNECT CONNECTOR
Reconnect the G98 No. 3 junction connector.
NEXT |
CHECK FOR SHORT IN CAN BUS WIRES (POWER MANAGEMENT CONTROL ECU)
*A | for 1KD-FTV |
*B | for 1GR-FE, 1GD-FTV |
*a | Rear view of wire harness connector (to Power Management Control ECU) |
*b | Front view of DLC3 |
Disconnect the G51 power management control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||
|
Result | Proceed to |
---|---|
OK | A |
NG (for 1KD-FTV) | B |
NG (for 1GR-FE, 1GD-FTV) | C |
A |
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
B |
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO POWER MANAGEMENT CONTROL ECU (CA2H, CA2L) |
C |
REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO POWER MANAGEMENT CONTROL ECU (CA3P, CA3H) |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BATTERY AND BODY GROUND)
*a | Rear view of wire harness connector (to Power Management Control ECU) |
Connect the cable to the negative (-) battery terminal.
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here
Disconnect the G51 power management control ECU connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
Measure the voltage according to the value(s) in the table below.
Standard Voltage | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
OK |
REPLACE POWER MANAGEMENT CONTROL ECU Click here |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |