Intake Air Resonator (IAR) Control System

DESCRIPTION
When the engine rpm is below 2,900 rpm, the IAR control solenoid valve is deactivated by the ECM/PCM and intake air does not flow from the IAR. At engine speeds between 2,900 rpm and 3,700 rpm (mid-range), the solenoid valve is activated by a signal from the ECM/PCM, and intake air flows from the IAR.