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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1426 (Seat System - Seats) >> Diagnostic Tests >> Seats >> Pinpoint Tests >> Pinpoint Test U: The Power Lumbar is Inoperative - Driver >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.

The lumbar control switch is supplied voltage on circuit 566 (DG) and ground on circuit 57 (BK). The lumbar control switch toggles voltage and ground directly to the lumbar motor circuits 1094 (PK) and 1097 (BN). The lumbar motor tightens or relaxes a cable connected to the lumbar adjuster.

This pinpoint test is intended to diagnose the following:

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