Diagnosis Procedure

DOOR KEY CYLINDER SWITCH


Description

Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals.




DOOR KEY CYLINDER SWITCH


Diagnosis Procedure

1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between driver side door lock assembly (key cylinder switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - GO TO 2.
2.CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL
Check voltage between power window main switch harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Replace power window main switch.Refer to Service and Repair.
3.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch connector and driver side door key lock assembly (key cylinder switch) connector.
3. Check continuity between power window main switch harness connector and driver side door lock assembly (key cylinder switch) harness connector.





4. 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 KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between driver side door lock assembly (key cylinder switch) harness connector and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace harness.
5.CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch. Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace driver side door lock assembly (key cylinder switch). Refer to Removal and Installation.
6.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END