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.
No-Load Check
- Check for DTC. See DTC CHECK
If there is any DTC, perform trouble shooting for applicable DTC and then clear DTC.
Trouble shooting: See DTC TABLE
DTC clearance: See DTC CLEARANCE
- Turn off all electrical loads (5).
- Connect voltmeter (3) and ammeter (2) as shown in figure.
- Start engine and warm it up to normal operating temperature.
- Run engine around 2,000 RPM and read meters.
- If voltage is higher than standard value, check ground circuit of brushes, see Generator Inspection .
If brushes are not grounded, replace IC regulator.
- If voltage is lower than standard value, inspect rotor, stator, rectifier, bushes and regulator. See Generator Inspection
Specification for generator test (No-load check)
Current: 10A
Regulated voltage: 14.2 - 14.8 V (at 20 °C, 68 °F)
- If voltage is higher than standard value, check ground circuit of brushes, see Generator Inspection .
NO RELATED
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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.