Diagnosis Procedure
Regarding Wiring Diagram information, refer to WIRING DIAGRAM- WITH CREW CAB , or WIRING DIAGRAM- EXCEPT CREW CAB .
- CHECK ENCODER SIGNAL
- Turn ignition switch ON.
- Check signal between power window and door lock/unlock switch RH harness connector and ground with oscilloscope.
Signal Name (+) (-) Signal
(Reference Value)Power Window And Door Lock/Unlock Switch RH Connector Terminal Encoder signal 1 D129 9 Ground Refer to following signals Encoder signal 2 10
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 2 .
- CHECK ENCODER SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH connector and front power window motor RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity Connector Terminal Connector Terminal D129 9 D105 6 Yes 10 5 - Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power Window And Door Lock/Unlock Switch RH Ground Continuity Connector Terminal D129 9 No 10
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness.
- CHECK ENCODER POWER SUPPLY
- Connect power window and door lock/unlock switch RH connector.
- Turn ignition switch ON.
- Check voltage between power window and door lock/unlock switch RH harness connector and ground.
(+) (-) Voltage
(Approx.)Power Window And Door Lock/Unlock Switch RH Connector Terminal D129 2 Ground Battery voltage
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
GO TO STEP 4 .
- CHECK ENCODER POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and power window and door lock/unlock motor RH harness connector.
Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity Connector Terminal Connector Terminal D129 5 D105 2 Yes - Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power Window And Door Lock/Unlock Switch RH Ground Continuity Connector Terminal D129 5 No
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT 1
- Turn ignition switch OFF.
- Check continuity between front power window motor RH harness connector and ground.
Front Power Window Motor RH Ground Continuity Connector Terminal D105 4 Yes
Is the inspection result normal?
YES
Replace front power window motor RH. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 6 .
- CHECK GROUND CIRCUIT 2
- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
Power Window And Door Lock/Unlock Switch RH Front Power Window Motor RH Continuity Connector Terminal Connector Terminal D129 4 D105 4 Yes - Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power Window And Door Lock/Unlock Switch RH Ground Continuity Connector Terminal D129 4 No
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.