Symptom Chart: Sound Quality
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
| Condition | Possible Sources | Actions |
|---|---|---|
| Poor reception - AM/FM | Wiring, terminals, or connectors AM/FM antenna AM/FM antenna cable Charging system Ignition system Noise suppression equipment ACM |
GO to Pinpoint Test A . |
| Continuous seek/scan in AM/FM | No channel found in the selected category AM/FM antenna AM/FM antenna cable Noise suppression equipment ACM |
GO to Pinpoint Test A . |
| No sound from all speakers | Fuse Wiring, terminals, or connectors ACM |
GO to Pinpoint Test F . |
| Poor reception - satellite radio | Obstructions to the antenna line of sight Satellite radio antenna Satellite radio antenna cable ACM |
GO to Pinpoint Test B . |
| 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 |
GO to Pinpoint Test B . |
| Poor sound quality/no sound while in satellite radio mode - all other functions operate correctly | Satellite radio antenna Satellite radio antenna cable ACM |
GO to Pinpoint Test B . |
| Poor sound quality from one or more speakers (not all speakers) | Wiring, terminals, or connectors Speaker Loose trim panel fasteners Loose trim panels Loose speaker grill Loose harnesses Loose items in storage areas Loose harness fasteners Loose door and handle lock components (if applicable) |
GO to Pinpoint Test E . |
| The LF tweeter speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test H . |
| The RF tweeter speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test K . |
| The LF door speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test G . |
| The RF door speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test J . |
| The LR door speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test O . |
| The RR door speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test L . |
| The LH quarter panel speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test N . |
| The RH quarter panel speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test M . |
| The instrument panel speaker is inoperative or has poor sound quality | Wiring, terminals, or connectors Speaker ACM |
GO to Pinpoint Test I . |