939003620 - J030 WHEN IT RAINS, THE WINDSCREEN IS NOT CLEANED AUTOMATICALLY

For vehicles equipped with a rain sensor only, with the ignition on, when the steering column switch unit lever is placed in the automatic position, the windscreen wipers do not work when there is water on the windscreen.

1	CHECK THE WIRING	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check connections between: battery; junction unit; steering column switch unit; windscreen wiper control unit; rain sensor; windscreen wiper motor     See E3020 WINDSCREEN WASH/WIPE	Move on to Step 2	1. Wiring broken.	1. Repair the wiring    See E3020 WINDSCREEN WASH/WIPE
			2. Fuse burnt out.	2. Replace the fuse and find out what could have caused it to blow.
			3. Earth not sufficient.	3. Restore the correct earth.
2	RAIN SENSOR CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the rain sensor is working properly.	Move on to Step 3	The windscreen wipers still carry out a cycle as if set to intermittent operation.	Replace the rain sensor    Op. 5050B70 RAIN/DUSK SENSOR - R.R.
3	WINDSCREEN WIPER MOTOR CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the windscreen wiper motor is working properly    See E3020 WINDSCREEN WASH/WIPE	Move on to Step 4	Windscreen wiper motor not working.	Replace the windscreen wiper motor    Op. 5050B42 WINDSCREEN WIPER MOTOR - R+R
4	WINDSCREEN WIPER CONTROL UNIT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the windscreen wiper control unit is working properly.	End of diagnosis	Windscreen wiper control unit not working.	Replace the windscreen wiper control unitOp. 5050B06 FRONT AND REAR WASHER CONTROL ELECTRONIC CONTROL UNIT - R R