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Home >> Ford >> 2011 >> Taurus SEL, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Seat System - Seats >> Diagnosis And Testing >> Seating >> Pinpoint Tests >> Pinpoint Test T: The Power Lumbar Is Inoperative - With Massage >> Normal Operation

Normal Operation

The lumbar control module is supplied battery voltage when the engine is running and ground. A momentary voltage signal is supplied from the seat control switch activating the lumbar control module. Voltage and ground are then supplied to the lumbar pump. Air pressure is then directed through a hose attached from the pump to the lumbar control module.

This pinpoint test is intended to diagnose the following: 

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