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P0102, P0103, P010C, P010D MAF SENSOR EC-173 < COMPONENT DIAGNOSIS > [VQ37VHR] C D E F G H I J K L M A EC N P O Is DTC detected? YES >> Go to NO >> GO TO 4. 4. PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P0103 AND P010D-II 1. Start engine and wait at least 5 seconds. 2. Check DTC. Is DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000001734006 1. INSPECTION START Confirm the detected DTC. Which DTC is detected? P0102, P010C>>GO TO 2. 2. CHECK INTAKE SYSTEM Check the following for connection. YES >> GO TO 3. NO >> Reconnect the parts. 3. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection M95. Refer to Ground Inspection in Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace ground connection. 4. CHECK MAF SENSOR POWER SUPPLY CIRCUIT 1. Disconnect mass air flow (MAF) sensor harness connector. 2. Turn ignition switch ON. 3. Check the voltage between MAF sensor harness connector and ground. Is the inspection result normal? YES >> GO TO 6. NO >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit or short to ground or short to power in harness or connectors. DTC MAF sensor Ground Voltage Bank Connector Terminal P0102, P0103 1 F31 5 Ground Battery voltage P010C, P010D 2 F42 5 |