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Home >> BMW >> 2000 >> M5 >> Repair and Diagnosis >> Electrical >> Body Electrical >> Central Body Electronics (ZKE III) - Overview - E38, E39 & E53 >> Central Body Electronics (ZKE III) >> Automatic Interval Control (AIC) >> Principle Of Operation >> Rain Sensor Function >> Windshield Wiper System Fail-Safe Operation

Windshield Wiper System Fail-Safe Operation

The GM provides fail-Safe operation of the wiper system if faults are detected with any of the following input signals:

FUNCTION SPECIFICATION

Function Faulted Input Detected Fail-safe Function
Intermittent Wipe Short or open circuit of the knurled wheel signal Delay value for setting 3 used
Intermittent wipe With Rain Sensor Faulted Rain Sensor or K-Bus Signal corrupt Normal Intermittent wipe implemented
Wiper Motor not Functional Moving Park contact feedback signal takes longer than 16 seconds Wiper motor control deactivated for 3 minutes
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