I50 INTERIOR LIGHTS NOT WORKING / UNDER NO CIRCUMSTANCES - Alfa - 156 - eLearn

When the controls are operated, the interior lights do not work

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check the operation of the interior lights time lag	Continue to Step 1	The lights come on but the time lag does not work	See table I55
1	CHECK INDIVIDUAL LIGHTS	All OK	Problems met	Operation
	Check the condition of the individual bulbs and the bulb holder assembly (which often also contains the light switch)	Continue to Step 2	Bulbs damaged	Replace bulbs
		Continue to Step 2	Bulb holder faulty	Repair or replace the bulb holder assembly
2	CHECK INTERIOR LIGHTS ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check, in order: services fuse light supply light earth connections between light and switch (if outside light) and lights connections between switch (if outside light) and earth ( See E2510 COURTESY LIGHTS ).	Continue to Step 3	Component defective	Replace the component involved (if a fuse is involved, search for the cause of the problem)
		Continue to Step 3	Connections broken	Restore the connections
3	CHECK CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'