INTAKE AIR TEMPERATURE (IAT) SENSOR CONSTRUCTION/OPERATION [L3 R.H.D.]

BUE014018842N02

1
IAT sensor
2
MAF sensor

• Built into the MAF sensor.
• The IAT sensor is a thermistor type in which the resistance changes according to the intake air temperature.

1
PCM
2
IAT sensor
3
CPU
4
IAT sensor characteristic
5
Resistance
6
IAT
7
Large
8
Small
9
Low
10
High

• The resistance decreases if the intake air temperature increases and conversely increases if the intake air temperature decreases.