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EC-360 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P1550 BATTERY CURRENT SENSOR 1. Disconnect battery current sensor harness connector. 2. Turn ignition switch ON. 3. Check the voltage between battery current sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 3. 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. Is the inspection result normal? YES >> GO TO 4. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 4. 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. Is the inspection result normal? YES >> GO TO 5. NO >> Repair open circuit, short to ground or short to power in harness or connectors. 5. CHECK BATTERY CURRENT SENSOR EC-360, "Component Inspection" Is the inspection result normal? YES >> GO TO 6. NO >> Replace battery negative cable assembly. 6. CHECK INTERMITTENT INCIDENT GI-39, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000005536765 1. CHECK BATTERY CURRENT SENSOR 1. Turn ignition switch OFF. 2. Reconnect harness connectors disconnected. Battery current sensor Ground Voltage (V) Connector Terminal F76 1 Ground Approx. 5 Battery current sensor ECM Continuity Connector Terminal Connector Terminal F76 2 F8 44 Existed Battery current sensor ECM Continuity Connector Terminal Connector Terminal F76 3 F8 42 Existed |