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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 85 (Engine Control System (DTC/Circuit Diagnosis) (5 Of 5)) >> DTC/Circuit Diagnosis >> On Board Refueling Vapor Recovery (ORVR) >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START 

    Will CONSULT be used?

    Will CONSULT be used?

    YES

    GO TO 2.

    NO

    GO TO 3.

  2. CHECK REFUELING EVAP VAPOR CUT VALVE 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Remove fuel tank. Refer to Removal and Installation .
    3. Drain fuel from the tank as per the following:
      1. Remove fuel feed hose located on the fuel gauge retainer. Refer to Removal and Installation .
      2. Connect a spare fuel hose, one side to fuel gauge retainer where the hose was removed and the other side to a fuel container.
      3. Drain fuel using "FUEL PUMP RELAY" in "ACTIVE TEST" mode with CONSULT.
    4. Check refueling EVAP vapor cut valve for being stuck to close as per the following.

      Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank.

    5. Check refueling EVAP vapor cut valve for being stuck to open as per the following.
      1. Connect vacuum pump to hose end.
      2. Remove fuel gauge retainer with fuel gauge unit.

        Always replace O-ring with new one.

      3. Turn fuel tank upside down.
      4. Apply vacuum pressure to hose end [-13.3 kPa (-0.133 bar, -0.136 kg/cm 2 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        GNSJPBIA5852Z-852Courtesy of NISSAN NORTH AMERICA, INC.

        1.

        Filler tube

        2.

        Recirculation line

        3.

        EVAP/ORVR line

        4.

        Vacuum/pressure handy pump

        5.

        Fuel tank

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank. Refer to Removal and Installation .

  3. CHECK REFUELING EVAP VAPOR CUT VALVE 

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Remove fuel tank. Refer to Removal and Installation .
    3. Drain fuel from the tank as per the following:
      1. Remove fuel gauge retainer.
      2. Drain fuel from the tank using a handy pump into a fuel container.
    4. Check refueling EVAP vapor cut valve for being stuck to close as per the following.

      Blow air into the refueling EVAP vapor cut valve (from the end of EVAP/ORVR line hose), and check that the air flows freely into the tank.

    5. Check refueling EVAP vapor cut valve for being stuck to open as per the following.
      1. Connect vacuum pump to hose end.
      2. Remove fuel gauge retainer with fuel gauge unit.

        Always replace O-ring with new one.

      3. Turn fuel tank upside down.
      4. Apply vacuum pressure to hose end [-13.3 kPa (-0.133 bar, -0.136 kg/cm 2 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        GNSJPBIA5852Z-852Courtesy of NISSAN NORTH AMERICA, INC.

        1.

        Filler tube

        2.

        Recirculation line

        3.

        EVAP/ORVR line

        4.

        Vacuum/pressure handy pump

        5.

        Fuel tank

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank. Refer to Removal and Installation .

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