Key Cylinder Switch

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. Consult-III Function.





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 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. Removal And Installation.
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. SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace front door lock assembly (driver side). Removal and Installation Intelligent Key System.
5.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK DOOR KEY CYLINDER SWITCH
1. Turn ignition switch OFF.
2. Disconnect front door lock assembly (driver side) terminals.
3. Check front door lock assembly (driver side) terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace front door lock assembly (driver side). Removal and Installation Intelligent Key System.