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Home >> Infiniti >> 2022 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (3 Of 3) >> Periodic Maintenance >> EVAP Leak Check >> Inspection >> With Consult
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With Consult

  1. Install EVAP service port adapter [commercial service tool: (J-41413-OBD)] and pressure pump to EVAP service port.
    GNSSEF462UA-462Courtesy of NISSAN NORTH AMERICA, INC.
    NOTE: If vacuum delay valve does not have EVAP service port, remove vacuum delay valve and install EVAP service port [commercial service tool: (Part No. 149393S500)] instead.
  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.
  7. Locate the leak using a leak detector [commercial service tool: (J-41416)]. Refer to System Description .
    GNSSEF200U-200Courtesy of NISSAN NORTH AMERICA, INC.