DTC Diagnosis Procedure
- CHECK BATTERY CURRENT SENSOR POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect battery current sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between battery current sensor harness connector and ground.
+ - Voltage
(Approx.)Battery current sensor Connector Terminal E7 4 Ground 5 V
Is the inspection result normal?
YES>>
GO TO 4.
NO>>
GO TO 2.
- CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
+ - Continuity Battery current sensor ECM Connector Terminal Connector Terminal E7 4 F143 42 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace error-detected parts.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Refer to Diagnosis Procedure . Is the inspection result normal?
YES>>
Perform the trouble diagnosis for ECM power supply circuit. Refer to Diagnosis Procedure .
NO>>
Repair or replace error-detected parts.
- 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.
+ - Continuity Battery current sensor ECM Connector Terminal Connector Terminal E7 2 F143 29 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>
GO TO 5.
NO>>
Repair or replace error-detected parts.
- CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT
- Check the continuity between ECM harness connector and ground.
+ - Continuity ECM Connector Terminal F143 3 Ground Existed F142 87 88 E152 199 201 204 - Also check harness for short to power.
Is the inspection result normal?
YES>>
GO TO 6.
NO>>
Repair or replace error-detected parts.
- Check the continuity between ECM harness connector and ground.
- CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between battery current sensor harness connector and ECM harness connector.
+ - Continuity Battery current sensor ECM Connector Terminal Connector Terminal E7 1 F143 56 Existed - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES>>
GO TO 7.
NO>>
Repair or replace error-detected parts.
- Check the continuity between battery current sensor harness connector and ECM harness connector.
- CHECK BATTERY CURRENT SENSOR
Refer to Component Inspection . Is the inspection result normal?
YES>>
INSPECTION END
NO>>
Replace battery negative cable assembly.