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EC-342 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0520 EOP SENSOR P0520 EOP SENSOR DTC Logic INFOID:0000000009178249 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. >> GO TO 2. 2. CHECK ENGINE OIL LEVEL 1. Turn ignition switch OFF. 2. Check engine oil level. Refer to . Is inspection result normal? YES >> GO TO 3. NO >> Check engine oil leak. Refer to 3. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and let it idle for at least 5 seconds. 2. Check 1st trip DTC. YES >> Proceed to . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009178250 1. CHECK EOP SENSOR POWER SUPPLY-I 1. Turn ignition switch OFF. 2. Disconnect EOP sensor harness connector. 3. Turn ignition switch ON. 4. Check the voltage between EOP sensor harness connector terminals. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 4. 2. CHECK EOP SENSOR SIGNAL CIRCUIT DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0520 EOP SENSOR/SWITCH ECM detects the following status continuously oil pressure sensor is lower than 0.26 V. • A voltage signal transmitted from the engine oil pressure sensor is higher than 4.9 V. • Harness or connectors (EOP sensor circuit is open or short- • EOP sensor EOP sensor Voltage (Approx.) Connector + − terminal F54 3 1 5 V |