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P1550 BATTERY CURRENT SENSOR EC-367 < DTC/CIRCUIT DIAGNOSIS > [HR16DE] C D E F G H I J K L M A EC N P O Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. 3. CHECK BATTERY CURRENT SENSOR POWER SUPPLY CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between battery current sensor harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> Repair or replace error-detected parts. 4. CHECK BATTERY CURRENT SENSOR GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between battery current sensor harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. YES >> GO TO 5. NO >> Repair or replace error-detected parts. 5. CHECK BATTERY CURRENT SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check the continuity between battery current sensor harness connector and ECM harness connector. 2. Also check harness for short to ground and short to power. YES >> GO TO 6. NO >> Repair or replace error-detected parts. 6. CHECK BATTERY CURRENT SENSOR Check battery current sensor. Refer to EC-368, "Component Inspection" . Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> Replace battery negative cable assembly. Battery current sensor Ground Voltage (V) Connector Terminal F9 1 Ground Approx. 5 Battery current sensor ECM Continuity Connector Terminal Connector Terminal F9 1 F11 71 Existed Battery current sensor ECM Continuity Connector Terminal Connector Terminal F9 3 F11 68 Existed Battery current sensor ECM Continuity Connector Terminal Connector Terminal F9 4 F11 58 Existed |