Door Courtesy Switch Assy (For Front Door) Circuit

DOOR COURTESY SWITCH ASSY (FOR FRONT DOOR) CIRCUIT

CIRCUIT DESCRIPTION

Driver's side courtesy switch signals are transmitted to the body ECU. When the key is in the ignition switch lock cylinder, then, once the driver's door is opened, the body ECU commands the meter ECU to sound the buzzer and the buzzer inside the meter ECU sounds.

Wiring Diagram:

Step 1:

Step 2-3:

INSPECTION PROCEDURE