DRIVER SIDE: Diagnosis Procedure
- CHECK ENCODER OPERATION
- Turn ignition switch ON.
- Check signal between power window main switch harness connector and ground with oscilloscope.
(+) (-) Signal (Reference value) Power window main switch Connector Terminal D8 9 Ground Refer to the following signal 13 Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 2.
- CHECK ENCODER SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect power window main switch connector and driver side power window motor connector.
- Check continuity between power window main switch harness connector and driver side power window motor harness connector.
Power window main switch Driver side power window motor Continuity Connector Terminal Connector Terminal D8 9 D10 5 Existed 13 2 - Check continuity between power window main switch harness connector and ground.
Power window main switch Ground Continuity Connector Terminal D8 9 Not existed 13 Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace harness.
- CHECK ENCODER POWER SUPPLY CIRCUIT 1
- Connect power window main switch connector.
- Turn ignition switch ON.
- Check voltage between driver side power window motor harness connector and ground.
(+) (-) Voltage (V) (Approx.) Driver side power window motor Connector Terminal D10 4 Ground Battery voltage Is the measurement value within the specification?
YES: GO TO 5.
NO: GO TO 4.
- CHECK ENCODER POWER SUPPLY CIRCUIT 2
- Turn ignition switch OFF.
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and driver side power window motor harness connector.
Power window main switch Driver side power window motor Continuity Connector Terminal Connector Terminal D8 5 D10 4 Existed - Check continuity between power window main switch harness connector and ground.
Power window main switch Ground Continuity Connector Terminal D8 5 Not existed Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.
- CHECK GROUND CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and driver side power window motor harness connector.
Power window main switch Driver side power window motor Continuity Connector Terminal Connector Terminal D8 14 D10 1 Existed Is the inspection result normal?
YES: GO TO 6.
NO: Repair or replace harness.
- CHECK GROUND CIRCUIT 2
- Connect power window main switch connector.
- Check continuity between power window main switch harness connector and ground.
Power window main switch Ground Continuity Connector Terminal D8 14 Existed Is the inspection result normal?
YES: Replace driver side power window motor. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".