Diagnosis Procedure
- CHECK BATTERY CURRENT SENSOR POWER SUPPLY
- Disconnect battery current sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between battery current sensor harness connector and ground.
Battery current sensor Ground Voltage (V) Connector Terminal F76 1 Ground Approx. 5 Is the inspection result normal?
YES: GO TO 2.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
Battery current sensor ECM Continuity Connector Terminal Connector Terminal F76 3 F8 68 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 3.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between battery current sensor harness connector and ECM harness connector.
Battery current sensor ECM Continuity Connector Terminal Connector Terminal F76 4 F8 66 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 4.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
- CHECK BATTERY CURRENT SENSOR
Check battery current sensor. Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".
NO: Replace battery negative cable assembly.