Diagnosis Procedure
- CHECK ENCODER SIGNAL
- Turn ignition switch ON.
- Check signal between rear power window switch RH harness connector and ground with oscilloscope.
Signal name (+) (-) Signal
(Reference value)Rear power window switch RH Connector Terminal Encoder signal 1 D43 12 Ground Refer to following signal Encoder signal 2 15
Is the inspection result normal?
YES
Replace rear power window switch RH. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 2 .
- CHECK ENCODER SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect rear power window switch RH connector and rear power window motor RH connector.
- Check continuity between rear power window switch RH harness connector and rear power window motor RH harness connector.
Rear power window switch RH Rear power window motor RH Continuity Connector Terminal Connector Terminal D43 12 D47 5 Existed 15 6 - Check continuity rear power window switch RH harness connector and ground.
Rear power window switch RH Ground Continuity Connector Terminal D43 12 Not existed 15
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness.
- CHECK ENCODER POWER SUPPLY
- Connect rear power window switch RH connector.
- Turn ignition switch ON.
- Check voltage between rear power window motor RH harness connector and ground.
(+) (-) Voltage (V)
(Approx.)Rear power window motor RH Connector Terminal D47 2 Ground 12
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 rear power window switch RH connector.
- Check continuity between rear power window switch RH harness connector and rear power window motor RH harness connector.
Rear power window switch RH Rear power window motor RH Continuity Connector Terminal Connector Terminal D43 4 D47 2 Existed - Check continuity between rear power window switch RH harness connector and ground.
Rear power window switch RH Ground Continuity Connector Terminal D43 4 Not existed
Is the inspection result normal?
YES
Replace rear power window switch RH. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect rear power window switch RH harness connector.
- Check continuity between rear power window switch RH harness connector and rear power window motor RH harness connector.
Rear power window switch RH Rear power window motor RH Continuity Connector Terminal Connector Terminal D43 3 D47 4 Existed
Is the inspection result normal?
YES
GO TO STEP 6 .
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT 2
- Connect rear power window switch RH connector.
- Check continuity between rear power window switch RH connector and ground.
Rear power window switch RH Ground Continuity Connector Terminal D43 3 Existed
Is the inspection result normal?
YES
Replace rear power window motor RH. Refer to REMOVAL AND INSTALLATION .
NO
Replace rear power window switch RH. Refer to REMOVAL AND INSTALLATION .