Symptom Chart - General Audio System

WARNING: This page is about a different car, the 2013 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART - GENERAL AUDIO SYSTEM

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 controls are inoperative or do not operate correctly (if equipped)	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 X .
The compass is inaccurate	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 CLUSTER ILLUMINATION AND PANEL ILLUMINATION .
The audio system does not operate correctly from the FCIM	Refer to the PINPOINT TEST	GO to PINPOINT TEST U .
The audio input jack is inoperative or does not operate correctly	Refer to the PINPOINT TEST	GO to PINPOINT TEST Q .
The FDIM is inoperative or does not operate correctly	Refer to the PINPOINT TEST	GO to PINPOINT TEST V .
One or more FDIM displays are inoperative or do not operate correctly	Refer to the PINPOINT TEST	GO to PINPOINT TEST W .
The FDIM illumination is inoperative or does not dim	Illumination system concern FDIM	REFER to INSTRUMENT CLUSTER ILLUMINATION AND PANEL ILLUMINATION .