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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1516 (Wiper System & Washer System) >> Diagnosis And Testing >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test A: The Wipers are Inoperative - Windshield >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

Under normal operation, the front windshield wiper motor receives power through circuit CBP45 (YE) and SBB10 (YE/RD). The front windshield wiper motor is grounded through circuits GD123 (BK/GY) and GD125 (BK). The multifunction switch is grounded through circuit GD114 (BK/BU). The front windshield wiper motor receives open and ground inputs from the multifunction switch through circuits CRW17 (GN/VT), CRW18 (VT/WH), CRW19 (BU/OG) and CRW08 (VT/OG) to activate the wipers to the appropriate modes.

This pinpoint test is intended to diagnose the following: 

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