Door Courtesy Switch Assy (For Front Door) Circuit
CIRCUIT DESCRIPTIONDriver's side courtesy switch signals are transmitted to the body ECU. When 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