FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnostic Strategies

CHARGING SYSTEM DIAGNOSIS

TROUBLESHOOTING HINTS

Generator malfunction light dose not go on when the ignition switch is turned to ON, before the engine starts.
- Check the bulb.

Generator malfunction light dose not switch off after the engine starts.
- Check the IC voltage regulator inside the generator.

Discharged or overcharged battery.
- Check the IC voltage regulator inside the generator.

The generator malfunction light illuminates dimly.
- Check the diode (inside the combination meter) for a short-circuit.