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Home >> Infiniti >> 2002 >> G20 Automatic, RE4F03W >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - G20 >> Programming >> Idle Air Volume Learning >> With CONSULT-II
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With CONSULT-II

  1. Turn ignition on and wait at least one second. Turn ignition off and wait at least 10 seconds. Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds.
  2. Ensure all conditions under PRE-CONDITIONING  are met. Turn ignition off and wait at least 10 seconds. Start engine and let it idle for at least 15 seconds.
  3. Select IDLE AIR VOL LEARN in WORK SUPPORT mode with CONSULT-II. Press START and wait 15 seconds.
  4. Ensure CMPLT is displayed. Quickly increase engine speed 2 or 3 times. Ensure idle speed is 750-850 RPM and ignition timing is 13-17 °BTDC.
  5. If INCMP is displayed, proceed as follows:
    • Ensure throttle valve is fully closed.
    • Ensure no vacuum leaks exist.
    • Adjust closed throttle position switch by performing BASIC INSPECTION. See ON-VEHICLE ADJUSTMENTS article.

    If engine stalls or idle speed fluctuates, repair cause of condition and repeat procedure.

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