LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2013 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0456: EVAP Control System >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. CHECK FUEL TANK VACUUM RELIEF VALVE 
    1. Turn ignition switch OFF.
    2. Remove fuel filler cap. Refer to "EXPLODED VIEW ".
    3. Wipe clean valve housing.
      Fig 1: Sectional View Of Fuel Tank Vacuum Relief Valve
      G08892212Courtesy of NISSAN NORTH AMERICA, INC.
    4. Check valve opening pressure and vacuum.

      Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm 2  , 2.22 - 2.90 psi) 

      Vacuum: -6.0 to -3.3 kPa (-0.061 to -0.034 kg/cm 2  , -0.87 to -0.48 psi) 

      Fig 2: Checking Valve Opening Pressure And Vacuum Using Vacuum Pressure Pump And Gauge
      G08892213Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. REPLACE FUEL FILLER CAP 

    Replace fuel filler cap. Refer to "EXPLODED VIEW ".

    CAUTION: Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate.

    : INSPECTION END