Operation CHARM: Car repair manuals for everyone.

Without Intelligent Key System




DOOR LOCK AND UNLOCK SWITCH

DRIVER SIDE : Diagnosis Procedure


1. CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect power window main switch connectors.
3.Check signal between power window main switch harness connector and ground with oscilloscope.





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

2. CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between BCM harness connector and power window main switch harness connector.





3.Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Exploded View.
NO- Repair or replace harness.

3. CHECK DOOR LOCK AND UNLOCK SWITCH GROUND

Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK DOOR LOCK AND UNLOCK SWITCH

Check power window main switch.
Without Intelligent Key System.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace power window main switch. Removal And Installation.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END