Door Key Cylinder Switch

DOOR KEY CYLINDER SWITCH





Description
Main power window and door lock/unlock switch detects condition of the door key cylinder 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
Regarding Wiring Diagram information, With Left And Right Power Window Anti-Pinch System, "Wiring Diagram - With Left And Right Power Win-
dow Anti-Pinch 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 connector and ground.





Is the measurement value within the specification?
YES - Replace main power window and door lock/unlock switch. After that, LH&RH Front Window Anti-Pinch LH&RH Front Window Anti-Pinch LH&RH Front Window Anti-Pinch, "POWER
WINDOW MAIN SWITCH : 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 and front door lock assembly LH (key cylinder switch).
3. Check continuity between main power window and door lock/unlock switch connector (A) and front door lock assembly LH
(key cylinder switch) connector (B).





4. Check continuity between main power window and door lock/unlock switch connector (A) 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 (key cylinder switch) 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 - Check intermittent incident. Intermittent Incident.
NO - Replace front door lock assembly LH (door key cylinder switch). After that, SEE Special Repair Requirement, "Special Repair Requirement".




Component Inspection

COMPONENT INSPECTION
1. CHECK DOOR KEY CYLINDER SWITCH





Check front door lock assembly LH (key cylinder switch).





Is the inspection result normal?
YES - Key cylinder switch is OK.
NO - Replace front door lock assembly LH (key cylinder switch). After that, SEE Special Repair Requirement.




Special Repair Requirement
1. PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure. Additional Service When Replacing Control Unit.
Is the inspection result normal?
YES - Inspection End.
NO - Check intermittent incident. Intermittent Incident.