Door Key Cylinder Switch

DOOR KEY CYLINDER SWITCH

Description

Power window main 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. Refer to "DOOR LOCK : CONSULT Function (BCM DOOR LOCK)" Door Lock.





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


Diagnosis Procedure

Regarding Wiring Diagram information, refer to {LINK_TO:0000000007987861}, "Wiring Diagram - With Left And Right Front Power
Window Anti-Pinch".

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 D7 and ground.





Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. After that, refer to {LINK_TO:0000000007987841}, "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 D7 and front door lock assembly LH (key cylinder switch) connector D10.





4.Check continuity between main power window and door lock/unlock switch connector D7 and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness or connectors.

3. CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between front door lock assembly LH (key cylinder switch) connector D10 and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connectors.

4. CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch.
Refer to "Component Inspection" .
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace front door lock assembly LH (door key cylinder switch). After that, refer to "Special Repair Requirement" .


Component Inspection


COMPONENT INSPECTION


1. CHECK DOOR KEY CYLINDER SWITCH

Check front door lock assembly LH (key cylinder switch) D14.





Is the inspection result normal?
YES- Key cylinder switch is OK.
NO- Replace front door lock assembly LH (key cylinder switch). After that, refer to {LINK_TO:0000000007987841}, "Special
Repair Requirement".


Special Repair Requirement


1. PERFORM INITIALIZATION PROCEDURE

Perform initialization procedure.
Refer to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement" Special Repair Requirement.
Is the inspection result normal?
YES- Inspection End.
NO- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.