Diagnosis Procedure

KEY CYLINDER SWITCH


Description

The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal.




KEY CYLINDER SWITCH


Diagnosis Procedure

Regarding Wiring Diagram information, Vehicle Security System.
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
1. Turn ignition switch ON.





2. Check voltage between main power window and door lock/unlock switch harness connector D7 terminal 4, 6 and ground.






Is the inspection result normal?
YES - Replace main power window and door lock/unlock switch. LH&RH Front Window Anti-Pinch. After that, Description Special Repair Requirement Description Special Repair Requirement.
NO - GO TO 2
2.CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector and front door lock assembly LH (key cylinder switch) connector.





3. Check continuity between main power window and door lock/unlock switch harness connector D7 (A) terminal 4, 6 and front door lock assembly LH (key cylinder switch) harness connector D10 (B) 5, 6.






4. Check continuity between main power window and door lock/unlock switch harness connector D7 (A) 4, 6 and ground.






Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3.CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT





Check continuity between front door lock assembly LH harness connector D10 terminal 4 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 - Check intermittent incident. Intermittent Incident.
NO - Replace front door lock assembly LH (key cylinder switch). Exploded View Removal And Installation, Description Special Repair Requirement Description Special Repair Requirement.