Diagnosis Procedure
- CHECK POWER SUPPLY CIRCUIT 1
- Turn ignition OFF.
- Disconnect power window main switch connector.
- Turn ignition switch ON.
- Check voltage between power window main switch harness connector and ground.VOLTAGE SPECIFICATION
(+) (-) Voltage (V) (Approx.) Power window main switch Connector Terminal D8 10 Ground Battery voltage D9 19
Is the inspection result normal?
YES: GO TO 2.
NO: GO TO 3.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between power window main switch harness connector and ground.CONTINUITY SPECIFICATION
Power window main switch Ground Continuity Connector Terminal D9 17 Existed
Is the inspection result normal?
YES: INSPECTION END
NO: Repair or replace harness.
- CHECK POWER SUPPLY CIRCUIT 2
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between BCM harness connector and power window main switch harness connector.CONTINUITY SPECIFICATION
BCM Power window main switch Continuity Connector Terminal Connector Terminal M118 2 D9 19 Existed 3 D8 10 - Check continuity between BCM harness connector and ground.CONTINUITY SPECIFICATION
BCM Ground Continuity Connector Terminal M118 2 Not existed 3
Is the inspection result normal?
YES: Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO: Repair or replace harness.