Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Isuzu Axiom Base, RWDFACTORY OEM SERVICE PROCEDURE
On Vehicle Testing: Generator: Inspection
- Disconnect the wiring connector from generator.
- With the engine stopped, turn ignition switch to ON and connect a voltmeter between connector terminal L (1) and ground or between terminal S (2) and ground. See Fig 1 . If there in no voltage present, perform appropriate repair. See WIRING DIAGRAMS .
- Reconnect the wiring connector to the generator, run the engine at idle speed, and turn off all electrical devices other than engine.
- Measure battery voltage. If it exceeds 16 volts, repair or replace the generator.
- Connect an ammeter to output terminal of generator, and measure output current under load by turning on the other electrical devices (eg., headlights). At this time the amperes must not be less than 15 amps and the voltage must not be less than 13 volts.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.