When the wiper switch on the steering column stalk is pulled, the washer
fluid pump is first switched on,
followed by the windscreen wiper. The washer fluid pump remains switched on for
as long as the wiper switch
on the steering column stalk is pulled.
The signal is routed from the steering colu
Removing and installing the ICM control unit
The ICM control unit performs tasks that are important for many vehicle
functions, e. g. provision of sensor
signals. If the vehicle were operated without the ICM control unit installed, a
large number of vehicle functions
would not be available. In the