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 12.8 V or more 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
- Start engine and let it idle.
- Select "BAT CUR SEN" in "DATA MONITOR" mode with CONSULT.
- Check "BAT CUR SEN" indication for 10 seconds.
"BAT CUR SEN" should be above 2, 300 mV at least once.
WITHOUT CONSULT
- Start engine and let it idle.
- Check the voltage between ECM harness connector terminals as per the following.
ECM
Voltage (V)
Connector
+
-
Terminal
Terminal
F116
38
(Battery current sensor signal)
43
Above 2.3 at least once
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to Diagnosis Procedure .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.