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 Inspection (Battery Current Sensor)
- CHECK BATTERY CURRENT SENSOR
- Turn ignition switch OFF.
- Reconnect harness connectors disconnected.
- Disconnect battery negative cable.
- Install jumper cable between battery negative terminal and body ground.
- Turn ignition switch ON.
- Check the voltage between ECM harness connector terminals under the following conditions.
ECM
Voltage (V)
Connector
+
-
Terminal
Terminal
F116
38
(Battery current sensor signal)
43
Approx. 2.5
Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to How to Handle Battery .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace battery negative cable assembly.
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.