Key Cylinder Switch Circuit Check [Driver Side]

Key Cylinder Switch Circuit Check [Driver Side]

Description
The main power window and door lock/unlock switch detects condition of the door key cylinder switch and transmits to BCM as the LOCK or UNLOCK signal.

Component Function Check

Step 1:

Diagnosis Procedure
Regarding Wiring Diagram information, refer to [Vehicle Security System: Wiring Diagram [King Cab]] Vehicle Security System [King Cab] or [Vehicle Security System: Wiring Diagram [Crew Cab]]. Vehicle Security System [Crew Cab]

Step 1:

Step 1 (Continued)-2:

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