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Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1307 (Wiper System & Washer System) >> Diagnostic Tests >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test A: The Wipers are Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The windshield wiper motor receives open and ground inputs from the windshield wiper/washer switch through circuits 56 (DB/OG), 58 (WH), 61 (YE/RD) and 63 (RD) to activate the wipers to the appropriate modes. The internal wiper motor module controls the internal wiper run/park relay to control the windshield wiper motor in conjunction with the internal wiper high/low relay. The windshield wiper motor receives voltage from circuit 2026 (RD/OG) and is grounded through circuit 1205 (BK). The windshield wiper motor internal microprocessor and relays receive voltage from circuit 2025 (RD/YE) and are grounded through circuit 1205 (BK).

This pinpoint test is intended to diagnose the following:

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