BELT TENSION
Vehicles are equipped with automatic drive belt tensioner. Drive belt does not require adjustment. Inspect condition and tension of generator drive belt prior to performing any on-vehicle charging system tests. Replace belt and/or repair tensioner mechanism if necessary.
SYSTEM TESTS
| 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. |
| Symptom | Perform Test |
|---|---|
| Battery Is Discharged Or Voltage Is Low | A |
| Warning Indicator Is On With Engine Running, System Is Not Charging | B |
| System Overcharges (Greater Than 15.5 Volts) | C |
| Warning Indicator Is On With Engine Running, System Is Charging | D |
| Warning Indicator Is Off With Ignition On | E |
| Warning Indicator Flickers Or Operates Intermittently | F |
| Generator Noisy | G |
| Radio Interference | H |
SYMPTOM INDEX
EXPEDITION
See STARTING/CHARGING in SYSTEM WIRING DIAGRAMS article.
See STARTING/CHARGING in SYSTEM WIRING DIAGRAMS article.