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

1	CHECK INDIVIDUAL LIGHTS	All OK	Problems met	Operation
		Results of the tests
	Check the condition of the individual bulbs and bulb holder assembly	Continue to Step 2	Bulbs damaged	Replace bulbs Op. 5540A50
		Continue to Step 2	Bulb holder assembly faulty	Renew or replace the rear 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	REVERSING LIGHT ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
	Check, in order: reversing light fuse (services); connections between junction unit and reversing light switch; connections between junction unit and bulbs; 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 connections See E2022 REVERSING LIGHTS
			Bulb earth faulty	Restore 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		Fault persists	Search for the fault starting from another symptom'

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