Symptom Chart

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM CHART

Condition	Possible Sources	Action
The audio control unit does not illuminate	Circuitry Audio control unit	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
No communication with the audio control module	Circuitry Audio control unit	GO to PINPOINT TEST A .
No communication with the digital versatile disc (DVD) player	Circuitry DVD player	GO to PINPOINT TEST B .
The audio control unit is inoperative/does not operate correctly	Circuitry Audio control unit	GO to PINPOINT TEST C .
Poor reception	Antenna Antenna connections Noise suppression equipment Audio control unit	GO to PINPOINT TEST D .
Continuous SEEK/SCAN in AM/FM	Antenna Antenna connections Noise suppression equipment Audio control unit	GO to PINPOINT TEST D .
Poor quality/distorted sound from one or more speakers (not all speakers)	Speaker(s) Circuitry Audio control unit	GO to PINPOINT TEST E .
Poor quality/distorted sound from all speakers	Antenna Antenna connections	If the audio control unit illuminates, GO to PINPOINT TEST F .
	Antenna Antenna connections
	Audio control unit	If the audio control unit does not illuminate, REMOVE the audio control unit. REFER to AUDIO UNIT . SEND it to an authorized repair facility. TEST the system for normal operation after the repair.
No sound from one or more of the speakers (not all speakers)	Speaker(s) Circuitry Audio control unit	GO to PINPOINT TEST E .
No sound from all speakers	Circuitry Reverse parking aid	If the audio control unit illuminates, GO to PINPOINT TEST F .
	Circuitry Reverse parking aid
	Audio control unit	If the audio control unit does not illuminate, REMOVE the audio control unit. REFER to AUDIO UNIT . SEND it to an authorized repair facility. TEST the system for normal operation after the repair.
The auxiliary audio control is inoperative/does not operate correctly - steering wheel control switches	Circuitry Audio control unit Steering wheel control switches Clockspring	GO to PINPOINT TEST G .
The subwoofer is inoperative	Circuitry Audio control unit Subwoofer amplifier	GO to PINPOINT TEST H .
The digital versatile disc (DVD) player is inoperative/does not operate correctly - no picture	Disc	PRESS the source button (screen is blank in auxiliary module with no video source connected). TEST the system for normal operation.
	DVD player	If the concern is still present, REMOVE the DVD player. REFER to VIDEO SYSTEM . SEND it to an authorized repair facility. TEST the system for normal operation after the repair.
The digital versatile disc (DVD) player is inoperative/does not operate correctly	Circuitry Video system	GO to PINPOINT TEST I .
The digital versatile disc (DVD) player is inoperative/does not operate correctly - remote control does not function correctly	Video system	INSTALL new batteries in the remote control. If the concern is still present, CONTACT an authorized audio repair facility for further diagnostic test procedures.