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P1553 BATTERY CURRENT SENSOR EC-409 < DTC/CIRCUIT DIAGNOSIS > [VQ35HR] C D E F G H I J K L M A EC N P O 11. 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 13. NO >> GO TO 12. 12. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 13. CHECK BATTERY CURRENT SENSOR EC-409, "Component Inspection" Is the inspection result normal? YES >> GO TO 14. NO >> Replace battery negative cable assembly. 14. CHECK INTERMITTENT INCIDENT GI-36, "Intermittent Incident" . >> INSPECTION END Component Inspection INFOID:0000000005237014 1. CHECK BATTERY CURRENT SENSOR 1. Turn ignition switch OFF. 2. Reconnect harness connectors disconnected. 3. Disconnect battery negative cable (1). 4. Install jumper cable (A) between battery negative terminal and 5. Turn ignition switch ON. 6. Check the voltage between ECM harness connector terminals Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to . Is the inspection result normal? YES >> INSPECTION END NO >> Replace battery negative cable assembly. Battery current sensor ECM Continuity Connector Terminal Connector Terminal E21 3 F102 91 Existed : To body ground ECM Voltage (V) Connector + – Terminal Terminal F102 91 (Battery current sensor signal) 95 Approx. 2.5 JMBIA1512ZZ |