Inlet Air Temperature Sensor: Description

The IAT Sensor is a Negative Temperature Coefficient (NTC) Sensor that provides information to the PCM regarding the temperature of the air entering the intake manifold. See Fig 1.

Fig 1: TPS AND INLET AIR TEMP. SENSOR 2.7L

Courtesy of DAIMLERCHRYSLER CORP.

1 - Throttle Position Sensor

2 - Inlet Air Temperature Sensor