16 · Diagnostics

I30 Lights check not working

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Lights › I30 Lights check not working

‹ Prev I21 Rear foglights not working Next › I50 Interior lights not working in any condition

Fault diagnosisI30 Lights check not working

I30 Lights check not working

With the ignition turned ON, the light check device does not reveal any operating faults in the side lights, brake lights or rear fog lights - despite the fact that they are not working - and the light failure warning light is not turned on.

Step	Test procedure	Result	Action
1	CHECKING CHECK DEVIC Check the light check device inside the rev counter is working properly: see DESCRIPTION AND OPERATION: 5560 Instruments (see 5560F)	OK	Move onto step 2
1		Light check device not working properly	Replace the rev counter Op. 5560B03 End of diagnosis
2	CHECKING LIGHT CHECK ELECTRICAL CIRCUIT Check, in order: lighting fuses (right and left branches) connections between rev counter and junction unit rev counter supply rev counter earth (Wiring diagram E2010 SIDE LIGHTS / NUMBER PLATE ).	OK	Move onto step 3
		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
3	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

‹ Prev I21 Rear foglights not working Next › I50 Interior lights not working in any condition

Parts & tools for this job For 1997 Alfa Romeo 156

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.