PWC

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.




Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check ("KEY CYL LK-SW", "KEY CYL UN-SW") in "DATA MONITOR" mode for "POWER DOOR LOCK SYSTEM" with CONSULT-III. Door Lock.





Is the inspection result normal?
YES - Key cylinder switch is OK.
NO - SEE Diagnosis Procedure.




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. 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. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace driver side door lock assembly (key cylinder switch). Removal And Installation.
6.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection

COMPONENT INSPECTION
1.CHECK DOOR KEY CYLINDER SWITCH
1. Turn ignition switch OFF.
2. Disconnector driver side door lock assembly (key cylinder switch) connector.
3. Check driver side door lock assembly (key cylinder switch).





Is the inspection result normal?
YES - Key cylinder switch is OK.
NO - Replace driver side door lock assembly (key cylinder switch). Removal And Installation.