Symptom Chart - General Audio System

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Condition	Possible Sources	Action
A module does not respond to the diagnostic scan tool	Fuse Wiring, terminals, or connectors Module	REFER to Module Communications Network .
The RH steering wheel switches are inoperative or do not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test T .
The CD player is inoperative or does not operate correctly	CD ACM	INSPECT the CD for scratches, fingerprints, a loose paper label, incorrect format, or damage. INSERT a known good CD and TEST the system. If the system operates correctly, the concern was caused by a damaged CD. If the system does not operate correctly, INSTALL a new ACM. REFER to Audio Control Module (ACM) .
The speed compensated volume does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test C .
The compass is inoperative	Refer to the Pinpoint Test	GO to Pinpoint Test Y .
The FCIM illumination is inoperative or does not dim	Illumination system concern FCIM	REFER to Instrument Panel and Interior Switches Illumination .
The audio system does not operate correctly from the FCIM	Refer to the Pinpoint Test	GO to Pinpoint Test U .
The FCDIM is inoperative or does not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test V .
One or more FCDIM displays are inoperative or do not operate correctly	Refer to the Pinpoint Test	GO to Pinpoint Test W .
The FCDIM illumination is inoperative or does not dim	Illumination system concern FCIM	REFER to Instrument Panel and Interior Switches Illumination .
The audio system does not operate correctly from the rear audio controls	Refer to the Pinpoint Test	GO to Pinpoint Test X .
The rear audio display indicates the wrong time or station	Refer to the Pinpoint Test	GO to Pinpoint Test X .