72535 - J02 WINDSCREEN WIPERS NOT WORKING

When the ignition is on and the windscreen wiper control is operated, the windscreen wipers do not work;

the windscreen wiper and washing functions are managed by a control unit that receives commands from the right stalk lever.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	PRELIMINARY CHECKS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the windscreen wiper control unit circuit protective fuse (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE		Fuse blown	Replace the fuse and search for the cause of the problem (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE
1	WINDSCREEN WIPER ELECTRICAL CIRCUIT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity/insulation of the supply lead and earth lead for the windscreen wiper motor; (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE	Move on to Step	Wiring short circuited or open circuit	Repair the connections (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE
2	WINDSCREEN WIPER ELECTRICAL CIRCUIT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity/insulation of the connecting cables between the stalk unit and the windscreen wiper control unit; (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE	Move on to Step	Wiring short circuited or open circuit	Repair the connections (Wiring Diagram ) E3020 WINDSCREEN WASH/WIPE
3	STALK UNIT CONTROL MODULE OPERATIONAL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the windscreen wiper stalk controls are working properly    Continue following the instructions in the test 5550AB Check on windscreen wiper and headlamp washer control operation on steering column switch unit	Move on to Step	Stalk unit control module faulty	Replace the steering column switch unit    See in Op. 5550A12 complete stalk unit - r+r for versions with air bag
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Control unit fault	Replace the windscreen wiper control unit    See in Op. 5050B42 Front windscreen wiper MOTOR - R.R.