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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 763 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Wash/wipe system >> Safety function

Safety function

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The signal of the reset contact on the wiper motor (also rear window wiper on the Touring) is used as locking protection for the wiper motor. If the signal is not sent by the reset contact when the wiper motor is switched on, the wiper motor is switched off. Switching on the wiper motor again is only possible once. Thereafter, the wiper motor can only be switched on under the following conditions:

The wiper drive can only be switched on using the wash/wipe switch (not automatic due to danger of injury). With blocking protection detected, the wash pumps for the windscreen and the headlights can be activated another 3 times.

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