System Tests: Notes
WARNING: This page is about a different car, the 2002 Lincoln Navigator, 2002 Ford Expedition, 2001 Lincoln Navigator, and 2001 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer and memory system may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| No Communication With Generic Electronic Module | A |
| Unable To Enter Self-Test | B |
| Ignition Switch Inoperative | C |
| No Power In ACC Position | D |
| No Power In RUN Position | E |
| No Power In START Position | F |
| Horn Does Not Sound | G |
| Horn Sounds Continuously | H |