3360263 - J30 WHEN IT RAINS, THE WINDSCREEN IS NOT CLEANED AUTOMATICALLY

The normal windscreen wiper system works properly via stalk controls, but not via the rain sensor.

The rain sensor is protected by a specific fuse housed in the underfacia junction unit and connected to the body computer node and stalk unit via the A-Bus network.

		Results of the tests
0	PRELIMINARY CHECK	All OK	Problems met	Operation
	Check the condition of the rain sensor supply system fuse. See   E3020  WINDSCREEN WASH/WIPE	Continue to Step 1	Fuse blown	Change the blown fuse
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect an Examiner and check for errors on the A-Bus serial line or faults in the rain sensor.	Continue to Step 2	Problems on the A-Bus serial line.	Continue following the instructions for the diagnostic equipment.
			Problems on the A-Bus serial line.	Change the rain sensor Op. 5050B64
2	CHECKING ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check the rain sensor is properly supplied See   E3020  WINDSCREEN WASH/WIPE	Continue to Step 3	Power supply incorrect: no power or earth.	Restore electrical connection between rain sensor and underfacia control unit, or between rain sensor and earth point See   E3020  WINDSCREEN WASH/WIPE
3	CHECKING 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'