Symptom Chart

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

SYMPTOM CHART

Condition	Possible Sources	Action
The audio unit is inoperative	Battery junction box (BJB) fuse(s): 17 (20A) 27 (5A) Smart junction box (SJB) fuse(s): 22 (15A) 32 (10A) 33 (15A) Circuitry. Rear control unit (RCU). Integrated control panel (ICP).	GO to PINPOINT TEST A .
The audio unit does not operate correctly - cassette player/single CD player	Circuitry. Integrated control panel (ICP). Rear control unit (RCU).	GO to PINPOINT TEST B .
Integrated control panel (ICP) is in cassette mode, the display flashes ERR	Three side changes in 10 seconds. Defective cassette.	REMOVE the ICP and SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair.
Integrated control panel (ICP) is in cassette mode, the display flashes EJ ERR	Integrated control panel (ICP) cannot eject the cassette. Defective cassette.	REMOVE the ICP and SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair.
The audio unit does not operate correctly - response time between pressing any of the ICP buttons and system response is more than two seconds	Integrated control panel (ICP). Rear control unit (RCU). Compact Disc (CD) changer.	GO to PINPOINT TEST C .
The audio unit does not operative correctly - one or more ICP controls is not functional in either radio, cassette or CD changer mode or all modes	Integrated control panel (ICP). Rear control unit (RCU). CD changer.	REMOVE the suspected unit (ICP, RCU, or CD changer) and SEND it to an authorized Ford audio system repair facility. TEST the system for normal operation after the repair.
The ICP display can be dimmed but not the control buttons, or the control buttons can be dimmed but not the ICP display	Integrated control panel (ICP).	REMOVE the ICP and SEND it to an authorized Ford audio system repair facility. TEST the system for normal operation after the repair.
Irregular operation of ICP display and indicator LED	Integrated control panel (ICP).	REMOVE the ICP and SEND it to an authorized Ford audio system repair facility. TEST the system for normal operation after the repair.
The CD changer is inoperative/does not operate correctly	Circuitry. CD changer. Rear control unit (RCU).	GO to PINPOINT TEST D .
The audio unit does not display CD changer information	Battery junction box (BJB) fuse 17 (20A). Circuitry. Integrated control panel (ICP). CD changer.	GO to PINPOINT TEST E .
During CD mode, the ICP display shows CDE1	CD changer.	A mechanical failure has occurred. TRY to eject the magazine as this may clear the error condition. If the magazine will not eject, REMOVE the CD changer and SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair.
During CD mode, the integrated control panel (ICP) display shows CDE2	Laser focus error.	Focus error-probably bad, dirty or scratched disc. TRY a known good disc. If problem remains, REMOVE the digital audio compact disc changer and SEND it to an authorized audio system repair facility. TEST the system for normal operation after the repair.
During CD mode, the integrated control panel (ICP) display shows CD HOT	Thermal shutdown.	CD changer thermal shutdown protection mode; if temperature exceeds 60°C (140°F), changer will shut down to preserve laser life. ALLOW the CD changer to cool down.
During CD mode, the integrated control panel (ICP) display shows BAD CD	Unreadable CD.	CHECK all discs. If problem occurs on one disc, CHECK that disc. If problem occurs on all discs, VERIFY that discs are installed label-side up in the magazine. If discs are not scratched, dirty or inserted upside down, REMOVE the CD changer and SEND it to an authorized audio system repair facility. TEST the system for normal operation after repair.
During CD mode, the integrated control panel (ICP) display shows NO CD	CD changer.	EJECT CD magazine. CYCLE ignition switch (ON/OFF/ON). If problem remains, REMOVE the digital audio compact disc changer and SEND it to an authorized Ford audio system repair facility. TEST the system for normal operation after the repair.
Poor reception	Antenna. Antenna connections. Noise suppression equipment. Rear control unit (RCU).	GO to PINPOINT TEST F .
Poor quality/distorted sound from one or more speakers (not all speakers)	Speaker(s). Circuitry. Audio cable. Rear control unit (RCU).	GO to PINPOINT TEST G .
Poor quality/distorted sound from one or more speakers (not all speakers) - low volume	Speaker(s). Circuitry. Audio cable. Rear control unit (RCU).	GO to PINPOINT TEST H .
Poor quality/distorted sound from one or more speakers (not all speakers) - pop or crackle when driven over bumps	Circuitry. Loose connection.	GO to PINPOINT TEST I .
Poor quality/distorted sound from one or more speakers (not all speakers) - exhibits hum	Insufficient noise suppression.	GO to PINPOINT TEST J .
No sound from one or more speakers (not all speakers)	Speaker(s). Circuitry. Integrated control panel (ICP). Rear control unit (RCU). Antenna system.	GO to PINPOINT TEST K .
No sound from all speakers	Speaker(s). Circuitry. Integrated control panel (ICP). Audio cable.	GO to PINPOINT TEST L .
Loud popping sound when cycling the ignition switch	Rear control unit (RCU). Circuitry.	GO to PINPOINT TEST M .
No radio illumination	Circuitry. Integrated control panel (ICP).	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
Passenger air bag deactivation indicator is always on	Circuitry. Restraint control module (RCM). Passenger air bag deactivation indicator.	REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
The power antenna is inoperative	Antenna. Power antenna motor. Rear control unit (RCU).	GO to PINPOINT TEST N .