I15 (SIDE) BRAKE LIGHTS NOT WORKING - Alfa - 147 - eLearn

3022620 - I15 (SIDE) BRAKE LIGHTS NOT WORKING

When the brake pedal is pressed with the ignition ON, the brake lights do not work. If this fault is not signalled by the special icon in the Display module see also Table l30

1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect an Examiner to the diagnostic socketCheck that there are no faults in the Body Computer	Continue to Step 2	Brake lights faulty.	Check individual lightsContinue to Step 2
2	CHECKING INDIVIDUAL LIGHTS	All OK	Problems met	Operation
	Check the condition/correct rating of the individual bulbs and the bulb holder assembly	Continue to Step 3	Bulbs damaged/unsuitable	Replace bulbs Op. 5540A56
		Continue to Step 3	Bulb holder assembly faulty	Repair or replace the rear lights cluster Op. 5540A56
3	CHECK BRAKE LIGHTS ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check, in order: stop lights fuse connection between dashboard control unit, Body Computer and brake pedal switch; connections between Body Computer and bulbs : See E2021 BRAKE LIGHTS	Continue to Step 4	Component defective	Replace the component involved (if a fuse is involved, search for the cause of the problem)
		Continue to Step 4	Connections broken	Restore the connections: See E2021 BRAKE LIGHTS
4	CHECK ON BRAKE PEDAL SWITCH	All OK	Problems met	Operation
	Check that the brake pedal switch is fitted correctly and working See E2021 BRAKE LIGHTS	Continue to Step 5	Switch fastening / adjustment incorrect	Adjust the switch
		Continue to Step 5	Brake pedal switch faulty	Replace the switch Op. 5550D10
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'