Diagnosis Procedure

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.




KEY CYLINDER SWITCH


Diagnosis Procedure

1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side).
3. Check voltage between front door lock assembly (driver side) harness connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1. Disconnect power window main switch connector.
2. Check continuity between power window main switch harness connector and front door lock assembly
(driver side) harness connector.





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





Is the inspection result normal?
YES - Replace power window main switch. Power Window Main Switch.
NO - Repair or replace harness.
3.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT
Check continuity between front door lock assembly (driver side) harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK DOOR KEY CYLINDER SWITCH
Check door key cylinder switch. Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace front door lock assembly (driver side). Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END