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Home >> Infiniti >> 2023 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 Of 2) >> Description >> Component Parts >> Exhaust Gas Temperature Sensor >> Component Description

Component Description

Exhaust gas temperature sensor (EGT sensor) is installed exhaust manifold. Exhaust gas temperature sensor uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rises.

GNSDB4143Courtesy of NISSAN NORTH AMERICA, INC.
GNSDB4591Courtesy of NISSAN NORTH AMERICA, INC.

Exhaust gas temperature

Voltage

Resistance

100 deg.C (212 deg.F)

4.74 V

18.25 kOhm

200 deg.C (392 deg.F)

4.00 V

4.00 kOhm

400 deg.C (752 deg.F)

1.96 V

0.64 kOhm

600 deg.C (1112 deg.F)

0.85 V

0.20 kOhm