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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (1 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0075: IVT Control Solenoid Valve >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect intake valve timing (IVT) control solenoid valve harness connector.
    3. Turn ignition switch ON.
    4. Check the voltage between IVT control solenoid valve harness connector and ground.

      DTC

      IVT control solenoid valve

      Ground

      Voltage

      Bank

      Connector

      Terminal

      P0075

      1

      F36

      2

      Ground

      Battery voltage

      P0081

      2

      F63

      2

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    GO TO 2.

  2. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness for open or short between IVT control solenoid valve and IPDM E/R
    • Loose or poor connection for each connector and harness

    Repair open circuit, short to ground or short to power in harness or connectors.

  3. CHECK IVT CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between IVT control solenoid valve harness connector and ECM harness connector.

      DTC

      IVT control solenoid valve

      ECM

      Continuity

      Bank

      Connector

      Terminal

      Connector

      Terminal

      P0075

      1

      F36

      1

      F79

      112

      Existed

      P0081

      2

      F63

      1

      113

    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair open circuit, short to ground or short to power in harness or connectors.

  4. CHECK IVT CONTROL SOLENOID VALVE 

    Refer to Component Inspection (Intake Valve Timing Control Solenoid Valve) .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace malfunctioning IVT control solenoid valve. Refer to Exploded View .