Circuit Description
WARNING: This page is about a different car, the 2000 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
IAT sensor is a thermistor sensor which monitors temperature of air flowing into intake manifold. DTC is set when ECM detects a open or short in IAT sensor circuit. ECM will operate in fail-safe mode if DTC P0110 is set. Possible causes are:
- IAT sensor circuit is open or shorted.
- Defective IAT sensor.
- Defective ECM.