Operation CHARM: Car repair manuals for everyone.

Battery Current Sensor: Testing and Inspection

Component Inspection

BATTERY CURRENT SENSOR
1. Reconnect harness connectors disconnected.
2. Disconnect battery negative cable.




3. Install jumper cable between battery negative terminal and body ground.
4. Turn ignition switch ON.




5. Check voltage between ECM terminal 71 (battery current sensor signal) and ground.

Voltage: Approximately 2.5 V

6. If NG, replace battery negative cable assembly.