System Tests: Notes
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 COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
For proper diagnostics, see VIN CODE IDENTIFICATION table under IDENTIFICATION.
SYMPTOM INDEX
| Symptom | Perform Test |
|---|---|
| Battery Is Discharged Or Voltage Is Low | A |
| Warning Indicator Is On With Engine Running, System Is Not Charging (3.0L Duratec) | B |
| Warning Indicator Is On With Engine Running, System Is Not Charging (2.0L Zetec) | C |
| System Overcharges, Battery Voltage Is Greater Than 15.5 Volts (3.0L Duratec) | D |
| System Overcharges, Battery Voltage Is Greater Than 15.5 Volts (2.0L Zetec) | E |
| Warning Indicator Is On With Engine Running, System Is Charging (3.0L Duratec) | F |
| Warning Indicator Is On With Engine Running, System Is Charging (2.0L Zetec) | G |
| Warning Indicator Is Off With Ignition Switch On & Engine Off (3.0L Duratec) | H |
| Warning Indicator Is Off With Ignition Switch On & Engine Off (2.0L Zetec) | I |
| Warning Indicator Flickers Or Is Intermittent (3.0L Duratec) | J |
| Warning Indicator Flickers Or Is Intermittent (2.0L Zetec) | K |
| Generator Noisy | L |
| Radio Interference | M |