Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » P0520 EOP sensor
DTC Logic

DTC DETECTION LOGIC

NOTE: If DTC P0520 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC, "DTC Logic".

DTC No. Trouble diagnosis (Trouble diagnosis content) Detecting condition Possible cause

P0520

 EOP SENSOR/SWITCH [Engine oil pressure sensor circuit] ECM detects the following status continuously for 5 seconds or more:
  • A voltage signal transmitted from the engine oil pressure sensor is lower than 0.3 V.
  • A voltage signal transmitted from the engine oil pressure sensor is higher than 5.02 V.
  • Harness or connectors (Engine oil pressure sensor circuit is open or shorted.)
  • Engine oil pressure sensor

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

Check engine oil level. Refer to LU, "Inspection".

Is inspection result normal?

YES >> GO TO 3.

NO >> Check engine oil leak. Refer to LU, "Inspection".

3.PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 5 seconds.
  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES >> Proceed to EC, "Diagnosis Procedure".

NO >> INSPECTION END

    More about «P0520 EOP sensor»:

    DTC Logic

    Diagnosis Procedure

    Component Inspection

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