358496 - I105 COURTESY LIGHT IN LEFT FRONT MIRROR NOT WORKING

the courtesy light in the mirror is controlled through a timer by the Driver's Door Node using information that the door is open coming from the Body Computer Node via the B-CAN.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	COMPONENT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Remove the courtesy light bulb in the left exterior rear view mirror and check the condition	Move on to Step	Bulb burnt out	Replace the bulb
2	CHECK FOR PRESENCE OF SUPPLY	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check for the presence of a positive supply for the courtesy light bulb (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS	Move on to Step	No positive supply	Move on to Step
3	ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the electrical contacts and the continuity/insulation to earth between: Door connection and interconnecting supply bridge Remove the door panel and check the condition of the electrical contacts and the continuity/insulation to earth between: Right mirror connector and door connection Left mirror connector and bulb (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS	Move on to Step	Wiring interrupted or not insulated to earth	Restore the electrical connection (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS
4	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic connector and check that there are no faults at the Driver's Door Node	Move on to Step	Faults present	Continue following the instructions for the diagnostic equipment
5	ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity between the Driver's Door Node and the courtesy light (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS	Move on to Step	Electrical connection interrupted	Move on to Step
6	ELECTRICAL SYSTEM CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Remove the door panel and check the continuity between: Driver's Door Node and left rear view mirror connector Connector and courtesy light (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS	Move on to Step	Electrical connection interrupted	Restore the electrical connection (Wiring Diagram ) E2521 COURTESY (PUDDLE) LIGHTS
7	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Fault persists	Replace the Driver's Door Node