125000656 - N46 PARKING DEVICE BUZZER NOT WORKING

The Parking Sensor control unit receives the reversing signal from the reversing lights switch.

		Results of the tests
1	ELECTRICAL EQUIPMENT CHECK	All OK	Problems met	Operation
	Check the efficiency of the parking sensor control unit earth See    See E3090 PARKING SENSOR	Continue to Step 2	Faulty earth	Renew the wiring See    See E3090 PARKING SENSOR
2	ELECTRICAL EQUIPMENT CHECK	All OK	Problems met	Operation
	Check the efficiency of the parking sensor control unit positive power supply See    See E3090 PARKING SENSOR	Continue to Step 3	Power source inefficient	Renew the wiring See    See E3090 PARKING SENSOR
3	ELECTRICAL EQUIPMENT CHECK	All OK	Problems met	Operation
	Check the continuity and insulation of the wiring connecting the Buzzer to the parking sensor control unit See    See E3090 PARKING SENSOR	Continue to Step 4	Wiring short circuited or circuit open	Renew the wiring See    See E3090 PARKING SENSOR
4	CHECKING BUZZER EFFICIENCY	All OK	Problems met	Operation
	Check the buzzer is working properly.	Continue to Step 5	Buzzer not working	Replace buzzer Op. 5580H12
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Replace the parking sensor control unit Op. 5580H10