I15 (SIDE) BRAKE LIGHTS NOT WORKING - Alfa - 156 - eLearn

When the brake pedal is pressed with the ignition ON, the brake lights do not work and this fault is signalled by the "lights failure" warning light

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check the operation of the "lights check" device: if the side brake lights are not working, the "lights failure" warning light should come on	Continue to Step 1	The fault is not signalled by the "lights failure" warning light	See table I30
1	CHECK INDIVIDUAL LIGHTS	All OK	Problems met	Operation
	Check the condition of the individual bulbs and the bulb holder assembly	Continue to Step 2	Bulbs damaged	Replace bulbs
		Continue to Step 2	Bulb holder faulty	Repair or replace the rear lights cluster Op. 5540A80
2	CHECK STOP LIGHTS ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check, in order: stop lights fuse (services) connections between junction unit and brake pedal switch connections between brake pedal switch and rev counter connections between rev counter and bulbs bulbs earth ( See E2021 BRAKE 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	BRAKE PEDAL SWITCH CHECK	All OK	Problems met	Operation
	Check that the brake pedal switch is fitted correctly and working ( See E2021 BRAKE LIGHTS ).	Continue to Step 4	Brake pedal switch faulty	Repair or replace the brake pedal switch Op. 5550D10
4	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'