12 · Diagnostics

Reverse light does not work

DiagnosisReverse light does not work

Diagnosis table

I17

Engaging reverse gear, with the key in MAR, the reverse light does not come on.

Step	Validity	Operation to be performed	Test results
Step	Validity	Operation to be performed	OK	⚠	🔧
1	CHECK LIGHT Check that the single bulbs and the bulb holders are intact		All OK Go to Step 2	Problems found	Intervention
	Damaged bulb	Replace bulb	All OK Go to Step 2
	Faulty bulb holder	Restore or replace rear light cluster PROCEDURE OP. 5540A44
2	CHECK REVERSE SWITCH Check correct fastening and operation of reverse light switch		All OK Go to Step 3	Problems found	Intervention
2	Faulty reverse light switch	Restore or replace reverse light switch PROCEDURE 5550D22	All OK Go to Step 3
3	CHECK REVERSE LIGHT ELECTRIC CIRCUIT Check in sequence: – reverse light fuse (F21) – connections between junction unit and reverse light switch – connections between reverse light switch and bulb – bulb earth (Wiring diagram E2022 “Reverse lights”)		All OK Go to Step 4	Problems found	Intervention
	Faulty component	Replace component (if it is a fuse investigate the cause that may have triggered it)	All OK Go to Step 4
	Connections cut off	Restore connections
4	CHECK CORRECT OPERATION Check the fault is no longer present		All OK End of test	–	–

Parts & tools for this job For 1998 Fiat Seicento

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