9-3 (9440) V6-2.8L Turbo (2008)
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Rain Sensor: Description and Operation
Windscreen Wiper With Rain Sensor, Detailed Description
Windscreen Wiper With Rain Sensor, Detailed Description
The windscreen wiper assembly is located under the cover beneath the windscreen. The wipers are controlled by the stalk-switch to the right of the
steering column.
The assembly comprises a motor, two wiper arms and a crank mechanism which converts the motor rotation into the reciprocating motion of the wipers.
The motor has a built-in thermoswitch which trips if the wipers are activated and the blades are jammed (e.g. frozen to the windscreen).
The function is controlled by a rain sensor in conjunction with the electrical centers in the luggage compartment and the engine compartment. The
windscreen wipers have two speeds (high/low) and an automatic mode. There are three alternative levels of sensitivity for the rain sensor which can be
selected by means of the steering wheel controls (633). The rain sensor is located on the inside of the windscreen, in front of the inside rearview mirror.
The wiper stalk-switch selection positions:
