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INTAKE AIR TEMPERATURE (IAT) SENSOR CONSTRUCTION/OPERATION [L8, LF, L3]

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1 | MAF sensor
2 | IAT sensor

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

1 | IAT sensor
2 | IAT sensor characteristic
3 | Resistance
4 | Large
5 | Small
6 | Low
7 | High

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