July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Description

The IAC valve-AAC valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of air that will flow through the valve. The more air that flows through the valve, the higher the idle speed.

Fig 1: Identifying IAC Valve Air Space

Courtesy of NISSAN MOTOR CO., U.S.A.