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Home >> Nissan-Datsun >> 2014 >> Juke SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1212 >> DTC P0520: EOP Sensor >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK ENGINE OIL 
    1. Turn ignition switch OFF.
    2. Check engine oil level and pressure. Refer to "INSPECTION ".

      Is inspection result normal? 

      YES: GO TO 2.

      NO: Repair or replace error-detected parts.

  2. CHECK EOP SENSOR POWER SUPPLY-I 
    1. Disconnect EOP sensor connector.
    2. Turn ignition switch ON.
    3. Check the voltage between EOP sensor harness connector terminals.
      EOP sensor Voltage (Approx.)
      Connector + -
      terminal
      F43 3 1 5 V

      Inspection result normal? 

      YES: GO TO  7.

      NO: GO TO 3.

  3. CHECK EOP SENSOR POWER SUPPLY-II 

    Check the voltage between EOP sensor harness connector and the ground.

    + - Voltage (Approx.)
    EOP sensor
    Connector Terminal
    F43 3 Ground 5 V

    Is inspection result normal? 

    YES: GO TO  5.

    NO: GO TO 4.

  4. CHECK SENSOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check harness connector for short to power and short to ground, between the following terminals.
      ECM Sensor
      Connector Terminal Name Connector Terminal
      F25 39 FRP sensor F5 1
      EOP sensor F43 3
      Turbocharger boost sensor F75 1
      F26 68 Battery current sensor F52 1
      G sensor B32 3
      72 CMP sensor F109 1
      EVT control position sensor F110 1
      E18 118 APP sensor 2 E101 5

      Is inspection result normal? 

      YES: Perform the trouble diagnosis for power supply circuit.

      NO: Repair or replace error-detected parts.

  5. CHECK EOP SENSOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between EOP sensor harness connector and ECM harness connector.
      + - Continuity
      EOP sensor ECM
      Connector Terminal Connector Terminal
      F43 1 F25 44 Existed
    4. Also check harness for short to power.

      Is inspection result normal? 

      YES: GO TO 6.

      NO: Repair or replace error-detected parts.

  6. CHECK ECM GROUND CIRCUIT 

    Check the continuity between ECM harness connector and ground.

    + - Continuity
    ECM
    Connector Terminal
    F25 1 Ground Existed
    2
    E18 123
    124
    127

    Is inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Repair or replace error-detected parts.

  7. CHECK EOP SENSOR SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between EOP sensor harness connector and ECM harness connector.
      + - Continuity
      EOP sensor ECM
      Connector Terminal Connector Terminal
      F43 2 F25 43 Existed
    4. Also check harness for short to ground and to power.

      Is inspection result normal? 

      YES: GO TO 8.

      NO: Repair or replace error-detected parts.

  8. CHECK EOP SENSOR 

    Refer to "COMPONENT INSPECTION ".

    Is inspection result normal? 

    YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    NO: Repair or replace error-detected parts.

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