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.
General Inspection: Notes
- Check that the battery terminals are not loose or corroded.
(Refer to Charging System - "REPAIR PROCEDURES ")
- Check the fuses for continuity.
Alternator Fuse
- Check the alternator fuse (A) for continuity.
- Measure the voltage as shown in the image below.
Standard value : Approximately 0V
- If the alternator fuse is blown, replace it as in the procedure below:
- Turn ignition switch OFF and disconnect the battery negative (-) terminal.
- Remove the battery positive (+) cable mounting nuts.
- Replace the nominal alternator fuse or battery cable.
- Install in the reverse order of removal.
Battery Sensor Fuse
- Check the battery sensor fuse for continuity.
- Replace the nominal battery sensor fuse.
- Measure the voltage.
Standard value : Approximately 0V
- Inspect Drive Belt
- Measure and adjust drive belt tension.
(Refer to Engine Mechanical System - "DRIVE BELT TENSIONER ")
- Visually check alternator wiring and listen for abnormal noises.
- Check that the wiring is in good condition.
- Check that there is no abnormal noise from the alternator while the engine is running.
- Check Discharge Warning Light Circuit
- Warm up the engine and then turn it off.
- Turn off all accessories.
- Turn the ignition switch "ON". Check that the discharge warning light is lit.
- Start the engine. Check that the light is lit.
If the light does not go off as specified, troubleshoot the discharge light circuit.
- Check the alternator fuse (A) for continuity.
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.