16 · Diagnostics

I17 Reversing lights not working

Fault diagnosisI17 Reversing lights not working

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

Step	Test procedure	Result	Action
1	CHECK INDIVIDUAL LIGHTS Check the condition of the individual bulbs and the bulb holder assembly	OK	Move onto step 2
		Bulbs damaged	Replace bulbs End of diagnosis
		Bulb holder faulty	Renew or replace the interior tail-light Op. 5540A78 End of diagnosis
2	CHECKING REVERSING LIGHT SWITCH Check that the reversing light switch is correctly fixed and working properly	OK	Move onto step 3
2		Reversing light switch faulty	Renew or replace the reversing light switch Op. 5550D22 End of diagnosis
3	REVERSING LIGHT ELECTRICAL CIRCUIT CHECK Check, in order: reversing light fuse (services) connections between junction unit and reversing light switch connection between junction unit and bulbs bulb earth (Wiring diagram E2022 REVERSE LIGHT ).	OK	Move onto step 4
		Component defective	Replace the component involved (if a fuse is involved, search for the cause of the problem) End of diagnosis
		Connections broken	Restore the connections ( End of diagnosis
4	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
4		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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