Idle Air Control Motor: Description

The idle air control motor (IAC) attaches to the throttle body (Fig 1) or (Fig 2). It is an electric stepper motor on the SBEC vehicles and a linear solenoid valve on the NGC vehicles.

Fig 1: Identifying IAC Motor 4 Cylinder

Courtesy of DAIMLERCHRYSLER CORP.

Fig 2: Identifying Idle Air Control Motor 2.7L

Courtesy of DAIMLERCHRYSLER CORP.