BMW 5 Series: Windshield Wiper/Washer System
System wiring diagram
![System wiring diagram](images/books/1830/index.52(2).png)
Wash/wipe system
- Outside temperature sensor
- Washer fluid level switch
- Washer pump for headlight cleaning system
- Electric motor, windscreen washer pump
- Fuses in the power distribution box, front right
- Body Domain Controller (BDC)
- Steering column switch cluster (SZL)
- Instrument panel (KOMBI)
- Rain‐light‐solar-condensation sensor
- Wiper motor
- Heated washer jet, left
- Heated washer jet, center
- Heated washer jet, right
The wiper motor is a 12 V motor with transmission. The control unit, wiper
motor and the transmission
form one complete unit. This wiper motor unit consists of:
- A permanently excited direct current motor with attached reduction gear.
- Control unit electronics with eccentric shaft sensor with attached plug
connection.
The control unit in the wiper motor is able to identify the following faults:
- Faults in the control unit electronics.
- Short circuits at the motor and sensor system.
- Open lines at the motor and sensor system.
The control unit in the wiper motor does not have a fault memory. The fault
code entry is stored in the
Body Domain Controller (BDC).
The heated washer jets are activated by the Body Domain Controller.
The Body Domain Controller is also responsible for actuation of the windshield
washer pump and
evaluation of the washer fluid level switch.
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Central locking system
Hotel position switch
Fuse for front right power distribution box
Body Domain Controller (BDC)
Door lock, front passenger door
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Concept
Under certain conditions the engine is automatically
decoupled from the transmission in the D
selector lever position. The vehicle continues
traveling with the engine idling to reduce consumption.
Selector lever position D remains engaged.
This driving condition is referred to as coasting.
A special precondition such as the individual configuration capability for
the system or deactivation of
this function only is not possible.
Evasion Aid can only be deactivated by switching off all Intelligent Safety
systems (ALL OFF).
The system does not relieve the driver of personal resp