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Home >> Ford >> 2011 >> Taurus Limited, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Cluster Illumination And Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test C: All Dimmable Switch Illumination Is Always On >> Normal Operation

Normal Operation

When the parking lamps are on, the Smart Junction Box (SJB) sends a Pulse Width Modulated (PWM) voltage to the hardwired dimmable illumination sources based on the input received from the instrument panel dimmer switch.

This pinpoint test is intended to diagnose the following: 

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