With CONSULT-II
WARNING: This page is about a different car, the 2003 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
- Perform THROTTLE VALVE CLOSED POSITION LEARNING procedure. Start engine and warm to normal operating temperature.
- 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.
- Ensure CMPLT is displayed. Quickly increase engine speed 2 or 3 times. Ensure idle speed is 600-700 RPM and ignition timing is 12-22° BTDC.
- 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.