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Home >> Ford >> 2013 >> Fusion Titanium, FWD >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Cluster Illumination And Panel Illumination (Except Hybrid) >> Description and Operation >> Instrument Panel Cluster (IPC) and Panel Illumination - System Operation and Component Description >> System Operation >> Non-Networked Illumination Operation

Non-Networked Illumination Operation

Based on the ambient light level input from the autolamp/sunload sensor and the requested illumination dimming level input from the dimmer switch, the BCM  calculates the correct dimming level for the hardwired illumination sources. The BCM  provides a pulse-width modulated voltage to all hardwired illumination sources on 1 circuit.