Symptom Chart
WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. 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/does not operate correctly
|
- Fuse
- Wiring, terminals or connectors
- Audio unit
|
|
- The audio unit does not operate correctly - the display is blank
|
|
- REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
|
- The CD changer is inoperative/does not operate correctly
|
|
- REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit . TEST the system for normal operation after the repair.
|
|
|
- Noise suppression equipment
- Antenna
- Antenna connections
- Antenna cable
- Charging system
- Ignition system
- Audio unit
|
|
- Continuous seek/scan in AM/FM
|
- Noise suppression equipment
- Antenna
- Antenna connections
- Antenna cable
- Charging system
- Ignition system
- Audio unit
|
|
- Poor quality/distorted/no sound from one or more speakers (not all speakers)
|
- Wiring, terminals or connectors
- Speaker
- Audio unit
|
|
- Poor quality/distorted/no sound from all speakers
|
|
- CHECK circuit 1000 (RD/BK) for voltage with the key in any position except START.
- If voltage is present, REPAIR the circuit. TEST the system for normal operation.
|
- The steering wheel controls are inoperative/do not operate correctly
|
- Wiring, terminals or connectors
- Clockspring
- Steering wheel controls
- Audio unit
|
|
- The subwoofer is inoperative/does not operate correctly
|
- Fuse
- Wiring, terminals or connectors
- Subwoofer amplifier
- Audio unit
|
|