System Tests: Notes
WARNING: This page is about a different car, the 2003 Mercury Mountaineer, 2003 Ford Explorer, 2002 Mercury Mountaineer, and 2002 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer and memory systems 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.
NOTE:
For proper diagnostics, see VIN CODE IDENTIFICATION table.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Battery Voltage Is Discharged Or Battery Voltage Is Low | A |
| Warning Indicator Is On With Engine Running, System Is Not Charging | B |
| System Overcharges | C |
| Warning Indicator Is On With Engine Running, System Is Charging | D |
| Warning Indicator Is Off With Ignition On, Engine Not Running | E |
| Warning Indicator Flickers Or Operates Intermittently | F |
| Generator Is Noisy | G |
| Radio Interference | H |