Idle Air Volume Learning: Notes
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
Idle air volume learning is an operation to learn the idle air volume that keeps each engine within the specific range. It must be performed under any of the following conditions. Each time electric throttle control actuator or ECM is replaced. Idle speed or ignition timing is out of specification.