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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2 Of 6) >> Component Parts >> Turbocharger Boost Sensor (With Intake Air Temperature Sensor 2) >> Intake Air Temperature Sensor 2

Intake Air Temperature Sensor 2

The intake air temperature sensor 2 is built-into turbocharger boost 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.

G04080535Courtesy of NISSAN NORTH AMERICA, INC.

Intake air temperature

[ deg.C (deg.F)]

Voltage * (V)

Resistance (kOhm)

25 (77)

3.27-3.35

1.940 - 2.089

80 (176)

1.19-1.23

0.310 - 0.322

*: These data are reference values and are measured between ECM terminals.