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

B3E014018842T02

1
MAF/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 characteristic
2
Resistance (ohm)
3
IAT (°C {°F})

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