J21 HEATED REAR WINDSCREEN NOT WORKING - Alfa - 166 - eLearn

3308658 - J21 HEATED REAR WINDSCREEN NOT WORKING

With the ignition on, when the heated rear window is turned on, the 'lights fault' warning light on the instrument panel comes on for about 15 seconds and then goes out.

1	CHECKING ELECTRICAL CIRCUIT	All OK	Problems met	Operation
		Results of the tests
	When switching on the heated rear window, check that the device comes on ( See E3030 HEATED REAR WINDSCREEN AND DOOR MIRROR DEFROSTING )	Continue to Step 2	Heated rear window relay faulty	Replace heated rear window relay Op. 7035B50
			Wiring broken	Restore connections
			Faulty earth	Repair earth
			Heated rear window faulty	Replace heated rear window Op. 7035B10
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect diagnostic equipment (Examiner or other instruments) to the diagnostic socket. Verify: that there are no faults in the Electronic Check device the plausibility of all the parameters the correct operation of the system with active diagnosis	Continue to Step 3	Fault detected	Continue following the instructions for the diagnostic equipment
3	HECK ON 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'