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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control System >> DTC P0127: IAT Sensor >> Component Description >> Notes
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Component Description: Notes

The intake air temperature sensor is built into mass air flow sensor. The sensor detects intake air temperature and transmits a signal to the ECM.

The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise.