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Home >> Ford >> 2014 >> Fusion Titanium Hybrid >> Repair and Diagnosis >> External Pages >> Different car >> Section 169 (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

WARNING: This page is about a different car, the 2013 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

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.