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Home >> Infiniti >> 2008 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Component Testing >> On-Vehicle Maintenance >> EVAP Leak Check >> How to Detect Fuel Vapor Leakage >> With Consult-III

With Consult-III

  1. Attach the EVAP service port adapter securely to the EVAP service port.
  2. Also attach the pressure pump and hose to the EVAP service port adapter.
  3. Turn ignition switch ON.
  4. Select the "EVAP SYSTEM CLOSE" of "WORK SUPPORT MODE" with CONSULT-III.
  5. Touch "START". A bar graph (Pressure indicating display) will appear on the screen.
  6. Apply positive pressure to the EVAP system until the pressure indicator reaches the middle of the bar graph.
  7. Remove EVAP service port adapter and hose with pressure pump.
  8. Locate the leak using a leak detector. Refer to "DESCRIPTION ".
    Fig 1: Identifying EVAP Leak Detector
    G04874789Courtesy of NISSAN MOTOR CO., U.S.A.
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