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With CONSULT-II

  1. Preform ACCELERATOR PEDAL RELEASED POSITION LEARNING .
  2. Perform THROTTLE VALVE CLOSED POSITION LEARNING . Start engine and warm to normal operating temperature.
  3. Ensure all conditions under PRE-CONDITIONING  are met. Select IDLE AIR VOL LEARN in WORK SUPPORT mode with CONSULT-II. Press START and wait 20 seconds.
  4. Ensure CMPLT is displayed. If INCMP is displayed, go to step  6.
  5. Quickly increase engine speed 2 or 3 times. Ensure idle speed is 650-750 RPM (A/T in Park or Neutral position) or 650-750 RPM (M/T) and ignition timing is 10-20° BTDC with transmission in Park or Neutral.
  6. If INCMP is displayed, proceed as follows:
    • Ensure throttle valve is fully closed.
    • Check PCV valve operation.
    • Ensure no vacuum leaks exist.

    If problem is found, repair as necessary. If problem is not found, It may be helpful to perform TROUBLE DIAGNOSIS - SPECIFICATION VALUE. See TROUBLE SHOOTING -- NO CODES article. If engine stalls or idle speed fluctuates, repair cause of condition and repeat procedure.

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