Wiper system (WSA), function - GF82.30-P-0003MCU

MODEL 451.3 /4 

The wiper system (WSA) is operated centrally using the right wiper switch (S4/4). The position of the wiper switch is read in by the SAM control unit (N10/10). The SAM control unit actuates the following components directly:

• Wiper motor (M6/1)
• Rear-end door wiper motor (M6/4) (with model 451.3)

The SAM control unit is notified of the park position of the wiper arms via a signal contact that is integrated in the wiper motors.

The window washer fluid pump (M5/1) is actuated directly via the wiper switch.

Functions 

Windshield

• Wiping at slow speed
• Wiping at fast speed
• Wiping with washer fluid
• Intermittent wipe

Rear window (with model 451.3)

• Intermittent wipe
• Wiping with washer fluid
• Automatic wiping when reverse gear engaged

	Wiper system (WSA), location of components		GF82.30-P-0003-01MCU
	Wiper system (WSA) block diagram		GF82.30-P-0003-04MCC
	Windshield wiper (WS) system, function		GF82.30-P-2300MCU
	Rear window wiper system, function	On model 451.3	GF82.30-P-2200MCU
	Wiring diagram of windscreen wiper		PE82.30-P-2000MCU