Auxiliary Air Control (AAC) Valve
Remove Idle Air Control Valve-Auxiliary Air Control (IACV-ACC) valve assembly from right side of engine, near TP sensor. With IACV-ACC connected to wiring harness, turn ignition on. Ensure that IACV-ACC valve assembly shaft moves smoothly forward and backward according to ignition switch position. If necessary, replace IACV-AAC valve assembly.