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Home >> Ford >> 2011 >> Flex SE >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Cluster Illumination & Instrument Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test E: The Steering Wheel Switch Illumination Is Inoperative >> Normal Operation

Normal Operation

The Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the steering wheel switches to the clockspring. The voltage passes through the clockspring to the steering wheel harness and on to the steering wheel switches.

This pinpoint test is intended to diagnose the following: 

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