BMW 5 Series: Windshield Wiper/Washer System
System wiring diagram
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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Hotel position switch
Fuse for front right power distribution box
Body Domain Controller (BDC)
Door lock, front passenger door
Central locking butto
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General information
The electronic oil measurement has two measuring
principles:
Monitoring.
Detailed measurement.
When making frequent short-distance trips or
using a dynamic driving style, for instance when
taking curves aggressively, regularly perform a
detailed measurement.
Monitoring
Concep