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Home >> Infiniti >> 2023 >> QX55 Essential >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 3) >> System Description >> Component Parts >> Engine Oil Temperature Sensor >> Individual Operation
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Individual Operation

The engine oil temperature sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.

GNSDB6354Courtesy of NISSAN NORTH AMERICA, INC.
Reference data

Temperature [ deg.C (deg.F)]

Voltage* (V)

Resistance (kOhm)

-10 (14)

4.4

7.0 - 11.4

20 (68)

3.5

2.37 - 2.63

50 (122)

2.2

0.68 - 1.00

90 (194)

0.9

0.236 - 0.260

110 (230)

0.6

0.143 - 0.153

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