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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (4 Of 4)) >> DTC/Circuit Diagnosis >> On Board Refueling Vapor Recovery (ORVR) >> Component Inspection >> PR25DD engine

PR25DD engine

WARNING: This page is about a different variant/trim than selected.
  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 FUEL TANK : Removal & Installation (AWD) or FUEL TANK : Removal & Installation (FWD).
    3. Drain fuel from the tank as per the following:
      1. Remove fuel feed hose located on the fuel gauge retainer.
      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 (-0.136 kg/cm 3 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        GNSILL0233650Courtesy of NISSAN NORTH AMERICA, INC.

        SYMBOL

        EVAP/ORVR line

        SYMBOL

        Recirculation line

        SYMBOL

        Filler tube

        SYMBOL

        Vacuum/pressure handy pump

        SYMBOL

        Fuel tank

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank. Refer to FUEL TANK : Removal & Installation (AWD) or FUEL TANK : Removal & Installation (FWD).

  3. CHECK REFUELING EVAP VAPOR CUT VALVE 

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Remove fuel tank. Refer to FUEL TANK : Removal & Installation (AWD) or FUEL TANK : Removal & Installation (FWD).
    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 (-0.136 kg/cm 3 , -1.93 psi)] with fuel gauge retainer remaining open and check that the pressure is applicable.
        GNSILL0233650Courtesy of NISSAN NORTH AMERICA, INC.

        SYMBOL

        EVAP/ORVR line

        SYMBOL

        Recirculation line

        SYMBOL

        Filler tube

        SYMBOL

        Vacuum/pressure handy pump

        SYMBOL

        Fuel tank

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace refueling EVAP vapor cut valve with fuel tank. Refer to FUEL TANK : Removal & Installation (AWD) or FUEL TANK : Removal & Installation (FWD).

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