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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1166 (Wiper System And Washer System) >> Diagnostic Tests >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test D: The Wipers Stay On Continuously - Rear Window >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Under normal operation, the rear window wiper motor receives open and ground inputs from the multi-function switch through circuits CRW20 (GY/YE) and CRW21 (YE/VT) to activate the wiper to the appropriate modes. The multi-function switch supplies a ground input to the rear wiper motor on CRW21 (YE/VT) when INT 1 is selected. The multi-function switch supplies ground to the rear wiper motor on CRW21 (YE/VT) and CRW20 (GY/YE) when INT 2 is selected.

This pinpoint test is intended to diagnose the following:

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