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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> 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: Selecting Idling Air Volume Learning Operation Procedure - With Consult-II (1 Of 3)
    G02691066Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Touch "START" and wait 20 seconds.
    Fig 2: Idling Air Volume Learning Operation Procedure - With Consult-II (2 Of 3)
    G02691067Courtesy 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.
    IDLE SPEED AND IGNITION TIMING SPECIFICATIONS

    ITEM SPECIFICATION
    Idle speed 650+/-50 RPM (in P or N position)
    Ignition timing 15+/-5° BTDC (in P or N position)
    Fig 3: Idling Air Volume Learning Operation Procedure - With Consult-II (3 Of 3)
    G02691068Courtesy of NISSAN MOTOR CO., U.S.A.