Air Inlet Control Servo Motor Control
WARNING: This page is about a different car, the 2008 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
When the FRESH/RECIRC select SW is set to RECIRC, the air inlet control servo motor starts rotating to move the damper toward the RECIRC side. The damper position is detected by TERMINAL TPI of the A/C control assembly. The motor continuously rotates until the damper reaches its stop position. When the FRESH/RECIRC select SW is set to FRESH, the air inlet control servo motor starts rotating to move the damper toward the FRESH side. The damper position is detected by TERMINAL TPI of the A/C control assembly. The motor continuously rotates until the damper reaches its stop position.
In auto mode, the A/C control assembly controls the damper to move to the best position for the conditions without operating the mode select SW.