J30 WHEN IT RAINS, THE WINDSCREEN IS NOT CLEANED AUTOMATICALLY - Alfa - 147 - eLearn

With the ignition on, when the stalk unit lever is set to automatic, the windscreen wiper does not work when there is water on the windscreen

1	WIRING CHECK	All OK	Problems met	Operation
		Results of the tests
	Check connections between: battery; junction unit under dashboard; stalk unit supply; rain sensor windscreen wiper motor: See E3020 WINDSCREEN WASH/WIPE	Continue to Step 2	Wiring broken	Restore the wiring: See E3020 WINDSCREEN WASH/WIPE
			Fuse blown	Replace fuse and search for the cause of the problem
			Faulty earth	Repair the earth
2	CHECK RAIN SENSOR	All OK	Problems met	Operation
	Check the operation of the rain sensor	Continue to Step 3	The windscreen wiper still follows the sequence as if the intermittent mode had been set	Replace rain sensor Op. 5040D15
3	WINDSCREEN WIPER MOTOR CHECK	All OK	Problems met	Operation
	Check that the windscreen wiper motor is working properly: See E3020 WINDSCREEN WASH/WIPE	Continue to Step 4	Windscreen wiper motor damaged	Replace the windscreen wiper motor Op. 5050B38
4	CHECK WIPER CONTROL UNIT	All OK	Problems met	Operation
	Check that the wiper control unit is working properly	Continue to Step 5	Windscreen wiper control unit not working	Replace the windscreen wiper control unit Op. 5050B38
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'