Symptom Chart
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOM CHART
| Condition |
Possible Sources |
Action |
- No communication with the navigation system module
|
- Battery junction box (BJB) fuse 14 (10A).
- Circuitry.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the global positioning system (GPS) antenna signal is inoperative
|
- Circuitry.
- GPS antenna.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the position cursor is inoperative
|
- Circuitry.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the voice guidance is inoperative/does not operate correctly
|
- Circuitry.
- Audio unit.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the display screen is inoperative
|
- Circuitry.
- Audio unit.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the navigation screen is inoperative
|
- Circuitry.
- Audio unit.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the audible switches are inoperative
|
- Circuitry.
- Audio unit.
- Navigation system module.
|
|
- Navigation system does not operate correctly - unable to insert or eject map disc
|
- Circuitry.
- Navigation system module.
|
|
- Navigation system does not operate correctly - the audio unit is inoperative
|
- Central junction box(CJB)fuse(s):
- Circuitry.
- Audio unit.
- Navigation system module.
|
|