Caliber L4-2.0L (2008)
Intake Air Temperature Sensor: Description and Operation
Intake Air Temperature Sensor - Operation
OPERATION
The intake air temperature sensor is a negative temperature coefficient (NTC) thermistor (resistance varies with temperature). This means at cold air
temperature its resistance is high, so the voltage signal will be high. As intake air temperature increases, sensor resistance decreases and the signal
voltage will be low. This allows the sensor to provide an analog voltage signal (0.2-4.8 volts) to the ECM.
