Symptom Chart - Sound Quality
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
SOUND QUALITY SYMPTOM CHART
| Condition |
Possible Sources |
Action |
|
|
- AM/FM antenna
- AM/FM antenna cable
- Charging system
- Ignition system
- Noise suppression equipment
- Audio Control Module (ACM)
|
|
- Poor reception - satellite radio
|
- Obstructions to the antenna line of sight
- Satellite radio antenna
- Satellite radio antenna cable
- ACM
|
|
- Continuous seek/scan - AM/FM
|
- No channel found in the selected category
- AM/FM antenna
- AM/FM antenna cable
- Noise suppression equipment
- ACM
|
|
- Continuous seek/scan - satellite radio
|
- No channel found in the selected category
- Obstructions to the antenna line of sight
- Satellite radio antenna
- Satellite radio antenna cable
- ACM
|
|
- Poor sound quality/no sound while in satellite radio mode - all other functions operate correctly
|
- Satellite radio antenna
- Satellite radio antenna cable
- Accessory Protocol Interface Module (APIM) (if equipped)
- ACM
|
|
- Poor quality/distorted/no sound from one or more speakers (not all speakers) - vehicles without navigation
|
- Wiring, terminals or connectors
- Speaker
- ACM
|
|
- Poor quality/distorted/no sound from one or more speakers (not all speakers) - vehicles with navigation
|
- Wiring, terminals or connectors
- Speaker
- Audio amplifier
- ACM
|
|
- Poor quality/distorted/no sound from all speakers
|
- Wiring, terminals or connectors
- ACM
|
|
- The subwoofer is inoperative/does not operate correctly
|
- Fuse
- Wiring, terminals or connectors
- Subwoofer
- ACM
|
|
- Poor quality/distorted/no sound while in SYNC mode
|
- Wiring, terminals or connectors
- APIM
- ACM
|
|