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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 481 (Windows And Glass - Glass, Frames And Mechanisms) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test C: A Single Power Window is Inoperative - Rear Quarter >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

The quarter window motors receive high current voltage at all times through circuits SBP01 (RD)/SBP04 (GN/RD) (LH) and SBP04 (GN/RD) (RH). With the accessory delay relay is active, the rear window control switch and quarter window motors receive voltage through circuit CBP41 (BU). Ground is provided to the quarter window motors through circuits GD109 (BK)/GD110 (BK/WH) (LH) and GD110 (BK/WH) (RH).

When the window control switch is operated in the UP position, a voltage signal is supplied to the LH/RH quarter window motors through circuit CPW25 (YE/BU). When the window control switch is operated to the DOWN position, a voltage signal is supplied to the LH/RH quarter window motors through circuit CPW26 (BU/BN).

The Body Control Module B (BCM-B) disables/inhibits the rear quarter window control switch from operating the rear quarter windows when the convertible top ajar switch indicates the convertible top is not in the full UP or full DOWN position.

This pinpoint test is intended to diagnose the following: 

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