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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows And Glass - Glass, Frames And Mechanisms >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test I: A Single Power Window is Inoperative - Fusion, RH Front, LH or RH Rear >> Normal Operation

Normal Operation

The RH front window control switch receives voltage from the accessory delay relay. The LH and RH rear window control switches receive voltage from the LH front window control switch when the window lock switch is set to the UNLOCK position. Ground is provided to the RH front, LH rear and RH rear window control switches from the LH front window control switch. Each window control switch transfers voltage and ground to their respective window motors. Window direction is controlled by reversing polarity of the voltage and ground circuits being supplied to the window motor.

This pinpoint test is intended to diagnose the following: 

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