• Built into the MAF sensor.
• The IAT sensor is a thermistor type, 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.
