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G SENSOR EC-1209 < DTC/CIRCUIT DIAGNOSIS > [MR EXCEPT FOR NISMO RS MODELS] C D E F G H I J K L M A EC N P O G SENSOR Component Function Check INFOID:0000000012198740 1. CHECK G SENSOR FUNCTION 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector terminals. Is the inspection result normal? YES >> INSPECTION END NO >> Proceed to EC-1209, "Diagnosis Procedure" . Diagnosis Procedure INFOID:0000000012198741 1. CHECK G SENSOR POWER SUPPLY CIRCUIT-I 1. Turn ignition switch OFF. 2. Disconnect G sensor harness connector. 3. Turn ignition switch ON. 4. Check the voltage between G sensor harness connector terminals. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 4. 2. CHECK G SENSOR SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between G sensor harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. YES >> GO TO 3. NO >> Repair or replace error-detected parts. 3. CHECK G SENSOR Check G sensor. Refer to EC-1210, "Component Inspection" Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> 1. Replace G sensor. ECM Condition Voltage (Approx.) Connector + − Terminal F23 34 13 [Engine is running] 0 V G sensor Voltage (Approx.) Connector + − Terminal B32 3 2 5 V + − Continuity G sensor ECM Connector Terminal Connector Terminal B32 1 F23 34 Existed |