31.0 Purpose of contacts of steering column switches
Windscreen wiper switch
Plug strip A (see illustration 31.0):
- A1 - interval windshield wiper mode.
- A2 - accelerated mode of operation of the cleaner.
- AZ - slow mode of operation of the glass cleaner.
- A4 - not used.
- A5 - parking position.
- A7 - (+) to the windshield wiper motor.
Plug strip B:
- B1 - rear window washer pump
- B2 - interval operation mode of the rear window wiper.
- VZ - not used.
- B4 - (+) to the rear window wiper motor.
- B5 - "ground" (-) of the on-board computer mode selection button.
- B6 - not used.
- B7 - trip computer mode selection button/daily mileage reset button.
Attention! The resistance of the interval mode rheostat of the windshield wiper can be measured at contacts A1 and A7.
Windscreen wiper modes: Parking position = 10kOhm
- 1st position = 8 kOhm
- 2nd position = 5 kOhm
- 3rd position = 2.5 kOhm
- 4th position = 0 ohm
Make sure the two-pin E plug is installed correctly (see illustration 31.0).
Light, turn signal and horn switch
Plug strip C:
- C1 - fog lights.
- C2 - not used.
- SZ - fog lamp.
- C4 - sound signal.
- C5 - right turn indicator.
- C6 - emergency light signaling.
- C7 - left turn signal.
Plug strip D:
- D1 - parking lights.
- D2 - constant power supply (parking lights).
- D3 - constant power supply (low beam).
- D4 - not used.
- D5 - low beam.
- D6 - constant power supply (high beam).
- D7 - high beam.