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Home >> Ford >> 2008 >> Mustang Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster System And Panel Illumination >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Principles of Operation >> Fault Management

Fault Management

The SJB defaults the dimmable backlighting to full intensity if the instrument panel dimmer switch or circuitry fails.

The IC and the ACM default to full nighttime brightness if they receive a missing or invalid backlighting message from the SJB.