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. Common Item.





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


Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

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.
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 and front door lock assembly LH (key cylinder switch) connector.





4.Check continuity between main power window and door lock/unlock switch connector 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.
.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace front door lock assembly LH (door key cylinder switch).


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).