Power Window Main Switch

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH : Diagnosis Procedure


1. CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect power window main switch connector.
3.Check voltage between power window main switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM connector.
3.Check continuity between BCM harness connector and power window main switch harness connector.





4.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. With Intelligent Key System (with Intelligent Key) or Service and Repair (without Intelligent Key).
NO- Repair or replace harness.

3. CHECK POWER WINDOW MAIN SWITCH GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES- INSPECTION END
NO- Repair or replace harness.