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.
Component Function Check
- PRECONDITIONING
TESTING CONDITION:
- Before performing the following procedure, confirm that battery voltage is more than 12.8 V at idle.
- Before performing the following procedure, confirm that all load switches and A/C switch are turned OFF.
GO TO 2.
- PERFORM COMPONENT FUNCTION CHECK
With CONSULT-III
- Start engine and let it idle.
- Select "BAT CUR SEN" in "DATA MONITOR" mode with CONSULT-III.
- Check "BAT CUR SEN" indication for 10 seconds.
"BAT CUR SEN" should be above 2, 300 mV at least once.
Without CONSULT-III
- Start engine and let it idle.
- Check the voltage between ECM harness connector terminals as per the following.VOLTAGE REFERENCE
ECM Voltage (V) Connector + - Terminal Terminal F102 91 (Battery current sensor signal) 95 Above 2.3 at least once Is the inspection result normal?
YES: INSPECTION END
NO: Go to "DIAGNOSIS PROCEDURE "
Use the Manual With the Right Hardware
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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.
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