22 · Diagnostics

Reversing lights not working

Fault diagnosisReversing lights not working

REVERSING LIGHTS NOT WORKING

With the ignition key in the ON position, when reverse gear is engaged, the reversing light does not come on

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Connect the diagnostic equipment (Examiner Plus or Smart) to the Body Computer and check that there are no faults	Continue to Step 1	Body Computer faulty	Continue according to the instructions for the diagnostic equipment
1	CHECK ON INDIVIDUAL LIGHTS	All OK	Problems met	Operation
	Check the condition of the reversing bulbs and the rear light cluster	Continue to Step 2	Bulb damaged	Replace the bulb Op. 5540A50
		Continue to Step 2	Light cluster faulty	Renew or replace the light cluster Op. 5540A44
2	REVERSING LIGHT SWITCH CHECK	All OK	Problems met	Operation
	Check that the reversing light switch is correctly fastened and working properly	Continue to Step 3	Reversing light switch faulty	Renew or replace the reversing light switch Op. 5550D22
3	CHECK ON REVERSING LIGHT ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check, in order: reversing light fuse (services); connections between Body Computer and reversing light switch; connections between Body Computer and reversing light bulb; bulb earth See E2022 REVERSING LIGHTS	Continue to Step 4	Fuse blown	Replace the fuse (and search for the cause of its blowing)
			Connections broken	Restore the connections See E2022 REVERSING LIGHTS
			Lamps earth defective	Repair the earth contact See E2022 REVERSING LIGHTS
4	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis

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