System Outline
WARNING: This page is about a different car, the 2007 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Air Conditioning
Air Conditioning Operation A/C control assembly calculates target cooled temperature from information such as that of operating SWs, room temperature, humidity, ambient temperature and insolation to have target running speed of compressor motor. The calculated control signal is sent to inverter to drive compressor motor (Electric motor) with control of inverter, resulting in operating A/C.