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.
Battery Current Sensor: Service and Repair
2012 Chevrolet Sonic L4-1.8LSECTION Service and Repair
Battery Current Sensor Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Disconnect the battery current sensor from the body harness connector.
3. Unclip the battery current sensor from the battery tray.
4. Remove the battery tray. Refer to Battery Tray Replacement Service and Repair.
5. Remove the battery negative cable frame ground nut (4) and terminal (5).
Note: Observe the position of the battery current sensor when removing.
6. Slide the battery current sensor (2) off the battery negative cable (1).
Installation Procedure
1. Install the battery current sensor (2) onto the battery negative cable (1).
Caution: Refer to Fastener Caution Fastener Caution.
2. Install the battery negative cable frame ground terminal (5) and bolt (4). Tighten to 22 Nm (16 lb ft).
3. Install the battery tray. Refer to Battery Tray Replacement Service and Repair.
4. Clip the battery current sensor onto the battery tray.
5. Connect the battery current sensor to the body harness connector.
6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
RENDER: 1.0x
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.