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EVAP Leak Check: Inspection

CAUTION:
  • Do not use compressed air or a high pressure pump.
  • Do not exceed 4.12 kPa (0.042 kg/cm2 , 0.6 psi) of pressure in EVAP system.
NOTE:
  • Do not start engine.
  • Improper installation of EVAP service port adapter [commercial service tool: (J-41413-OBD)] to the EVAP service port may cause a leak.

WITH CONSULT

  1. Install EVAP service port adapter [commercial service tool: (J-41413-OBD)] and pressure pump to EVAP service port.
  2. Turn ignition switch ON.
  3. Select the "EVAP SYSTEM CLOSE" of "WORK SUPPORT" mode with CONSULT.
  4. Touch "START". A bar graph (Pressure indicating display) will appear on the screen.
  5. Apply positive pressure to the EVAP system until the pressure indicator reaches the middle of the bar graph.
  6. Remove EVAP service port adapter [commercial service tool: (J-41413-OBD)] and hose with pressure pump.
    Fig 1: Installing EVAP Service Port Adapter
    G08129072Courtesy of NISSAN NORTH AMERICA, INC.
  7. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to "SYSTEM DESCRIPTION ".
    Fig 2: Identifying EVAP Leak Detector
    G08129073Courtesy of NISSAN NORTH AMERICA, INC.

WITHOUT CONSULT

  1. Install EVAP service port adapter [commercial service tool: (J-41413-OBD)] and pressure pump to EVAP service port.
  2. Apply battery voltage between the terminals of EVAP canister vent control valve to make a closed EVAP system.
  3. To locate the leak, deliver positive pressure to the EVAP system until pressure gauge points reach 1.38 to 2.76 kPa (0.014 to 0.028 kg/cm2 , 0.2 to 0.4 psi).
  4. Remove EVAP service port adapter [commercial service tool: (J-41413-OBD)] and hose with pressure pump.
    Fig 3: Installing EVAP Service Port Adapter
    G08129074Courtesy of NISSAN NORTH AMERICA, INC.
  5. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to "SYSTEM DESCRIPTION ".
    Fig 4: Identifying EVAP Leak Detector
    G08129075Courtesy of NISSAN NORTH AMERICA, INC.