I20 FOG LIGHTS NOT WORKING - Alfa - 156 - eLearn

3233059 - I20 FOG LIGHTS NOT WORKING

The fog lamps do not come on when the switch located on the central console is operated with the side lights on.

1	CHECK INDIVIDUAL LIGHTS	All OK	Problems met	Operation
		Results of the tests
	Check the condition of individual bulbs and lamps	Continue to Step 2	Bulbs damaged	Replace bulbs
	Check the condition of individual bulbs and lamps	Continue to Step 2	Lamp defective	Repair or replace the fog lamp Op. 5540D14
2	CHECK FOG LAMP ELECTRIC CIRCUIT	All OK	Problems met	Operation
	Check, in order: fog lamp fuse fog lights relay. services control unit supply connections between relay and service control unit connection between relay and bulb connections between service control unit and fog lamp switch relay earth and bulbs fog lamp switch earth ( See E2030 FOG 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	SERVICES CONTROL UNIT CHECK	All OK	Problems met	Operation
	Check that the services control unit is working properly, in particular the fog lamp control function see DESCRIPTION AND OPERATION: 5505 ELECTRICAL CIRCUIT FOR INSTRUMENTS/INDICATORS	Continue to Step 4	Control unit not working	Replace the services control unit Op. 5505A18
4	CHECK FOG LAMP SWITCH	All OK	Problems met	Operation
	Check the operation of the fog lamp switch ( See E2030 FOG LIGHTS ).	Continue to Step 5	Fog lamp switch faulty	Renew or replace the fog lamp switch Op. 5540D18
5	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'