LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2003 >> M45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Programming >> Idle Air Volume Learning >> Learning Procdure With CONSULT-II
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Learning Procdure With CONSULT-II

  1. Perform 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 PREPARATION  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. Quickly increase engine speed 2 or 3 times. Ensure idle speed is 600-700 RPM and ignition timing is 7-17 degrees BTDC.
  5. 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)  under SCAN TOOL USAGE or see TROUBLE SHOOTING - NO CODES article. If engine stalls or idle speed fluctuates, repair cause of condition and repeat procedure.