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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1238 (Wiper System & Washer System) >> Diagnosis And Testing >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test E: The Rain Sensitive Wipers Do Not Operate >> Normal Operation

Normal Operation

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

When the multifunction switch is in one of the 5 intermittent settings and the rain sensor detects moisture on the windshield, the rain sensor will send a serial data signal to the wiper motor through circuit VRW06 (GN/WH) to activate the wipers. Voltage is supplied to the rain sensor through circuit CBP43 (GY) and ground through circuit GD139 (BK/YE). When an inoperative condition exists in the rain sensitive wiper system, the rain sensitive wiper system will default to an intermittent wiper system if the rain sensor fault occurred prior to the ignition in the RUN position.

This pinpoint test is intended to diagnose the following: 

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