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Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1308 (Seat System - Seating) >> Diagnostic Tests >> Seats >> Pinpoint Tests >> Pinpoint Test H: The Power Lumbar is 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 lumbar control switch is powered by battery voltage on circuit 566 (DG) and is supplied ground on circuit 1205 (BK). When the lumbar control switch is operated, voltage and ground are supplied to the power lumbar motor circuits 1094 (PK) and 1097 (BN) to move the lumbar assembly inward or outward. Operating the lumbar control switch in the opposite direction reverses the polarity to the power lumbar motor, which moves the lumbar assembly in the opposite direction.

This pinpoint test is intended to diagnose the following:

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