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Home >> Ford >> 2012 >> Mustang Base, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1193 (Wipers And Washers System) >> Description And Operation >> Wipers and Washers - System Operation and Component Description >> System Operation >> Rear Window Washer
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Rear Window Washer

WARNING: This page is about a different car, the 2017 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

When the rear window washer switch is activated, the SCCM sends the request to the driver side windshield wiper motor assembly through the LIN. The driver side windshield wiper motor assembly energizes the rear washer relay (located in the BJB) and activates the rear window wiper motor. When the driver side windshield wiper motor assembly activates the rear window wash relay, voltage is provided to the washer pump, directing washer fluid to the rear window. When the switch is released, the rear window wiper motor continues to operate for 3 additional wipes and then turns off.

Ground for the washer pump is provided through the windshield washer relay within the driver side windshield wiper motor assembly.

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