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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1203 (Engine Control System) >> Evaporative Emission System >> How to Detect Fuel Vapor Leakage >> With Consult-II

With Consult-II

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  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-II.
  5. Touch "START". A bar graph (Pressure indicating display) will appear on the screen.
    Fig 1: CONSULT-II Display - EVAP SYSTEM CLOSE
    G02384738Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
    Fig 2: CONSULT-II Display - EVAP SYSTEM CLOSE
    G02384739Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Locate the leak using a leak detector. Refer to "EVAPORATIVE EMISSION LINE DRAWING ".
    Fig 3: Identifying Leak Detector
    G02384740Courtesy of NISSAN MOTOR CO., U.S.A.