For vehicles equipped with LH and RH anti-pinch system, 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.
For vehicles equipped with LH anti-pinch system only, the front door lock assembly LH (key cylinder switch) transmits the LOCK or UNLOCK signal directly to the BCM.
KEY CYLINDER SWITCH
Diagnosis Procedure (With LH and RH Anti-Pinch)
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Turn ignition switch ON.
Check voltage between main power window and door lock/unlock switch connector and ground.