Intake Air Temperature (IAT) Sensor
WARNING: This page is about a different car, the 1995 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Intake air temperature sensor is mounted in either airflow meter or air filter housing. Intake air temperature sensor measures incoming intake air temperature and delivers an input signal to THA terminal of Engine Control Module (ECM) for controlling fuel injection system, fuel pressure control (if equipped) and heated oxygen sensor systems (if equipped).