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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Basic Service Procedure >> Idle Air Volume Learning >> Operation Procedure >> With CONSULT-II
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With CONSULT-II

  1. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
  2. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
  3. Start engine and warm it up to normal operating temperature.
  4. Check that all items listed under the topic PREPARATION (previously mentioned) are in good order.
  5. Select "IDLE AIR VOL LEARN" in "WORK SUPPORT" mode.
    Fig 1: CONSULT-II Display - IDLE AIR VOL LEARN
    G02384805Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Touch "START" and wait 20 seconds.
    Fig 2: CONSULT-II Display - START
    G02384806Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Make sure that "CMPLT" is displayed on CONSULT-II screen. If "CMPLT" is not displayed, Idle Air Volume Learning will not be carried out successfully. In this case, find the cause of the incident by referring to the DIAGNOSTIC PROCEDURE below.
  8. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications.
    ITEM - SPECIFICATION

    ITEM SPECIFICATION
    Idle speed 650 +/- 50 RPM (in P or N position)
    Ignition timing 15 +/- 5° BTDC (in P or N position)
    Fig 3: CONSULT-II Display - CMPLT
    G02384807Courtesy of NISSAN MOTOR CO., U.S.A.