Windshield washer, function - GF82.35-P-3002PP

MODELS 203.0 /2 /7 up to 23.4.04 

Function prerequisites: 

• Circuit 15R ON

Operating procedure 

• The combination switch (S4), which is read in by the EIS control unit (N73) up to 30.6.03 or the steering column module (N80) as of 1.7.03 is pushed beyond the detent point,
• the signal is sent on the class B Controller Area Network bus (interior) (CAN-B),
• the front SAM control unit with fuse and relay module (N10/1) receives this message,
• the front SAM control unit with fuse and relay module (N10/1) actuates the wiper motor (M6/1) and the windshield washer fluid pump (M5/1).
• The windshield washer fluid pump (M5/1) is actuated for as long as the combination switch (S4) is pressed.
• When the combination switch (S4) is released the wiper motor (M6/1) shut-off delay feature is actuated.

  The number of cycles that are then performed depends on the combination switch (S4) actuation time:

• If the actuation time was less than 1 second, one additional wiping cycle is performed.
• If the actuation time was longer,

  three subsequent wiping cycles are performed. This also applies if the combination switch (S4) was pressed again during the subsequent wiping operation and the overall actuation time is therefore more than 1 second.

  If a new request is received after completion of these three subsequent wiping cycles, three additional wiping cycles are performed.

• After completion of the subsequent wiping operation, the wiper motor (M6/1) is stopped.

The wiper motor is actuated (M6/1) at stage 1 when the windshield is washed. The motor is only actuated at stage 2 if the wipers have been set to stage 2 and the windshield is washed at the same time.

Windshield washer fluid pump (M5/1) actuation 

The windshield washer fluid pump (M5/1) is actuated directly by the front SAM control unit with fuse and relay module (N10/1).

The motor of the windshield washer fluid pump (M5/1) is switched to ground via an electronic switch (transistor) by the front SAM control unit with fuse and relay module (N10/1) when washing.

In the event of overload, the front SAM control unit with fuse and relay module (N10/1) shuts the windshield washer fluid pump (M5/1) off.

	Slowing down wiper motor, function		GF82.30-P-4007PP
	Anti-block device for wiper motor, function		GF82.30-P-4008PP
	Combination switch, location/task/design/ function		GF82.30-P-2100PP
	Wiper motor, location/task/design/function		GF82.30-P-4104PP
	Windshield washer fluid pump location/task		GF82.35-P-4108PP
	Upper control panel control unit, location/task/ design/function		GF54.21-P-4105PP
	Electronic ignition switch control unit, location/ task/design/function		GF80.57-P-4102PP
	Steering column module location/task	In vehicles as of 1.7.02	GF54.21-P-4125Q
	Front SAM control unit with fuse and relay module location/task/design		GF54.21-P-4108PP