Fuel Tank Temperature Sensor
The fuel tank temperature sensor (FTT sensor) 
is used to detect the fuel temperature inside the fuel tank. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the fuel temperature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases.
 Courtesy of NISSAN NORTH AMERICA, INC.
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<Reference data>
 Courtesy of NISSAN NORTH AMERICA, INC.
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| Fluid temperature[°C (°F)] |
Voltage* (V) |
Resistance (kΩ) |
| 20 (68) |
3.5 |
2.3 - 2.7 |
| 50 (122) |
2.2 |
0.79 - 0.90 |
*: These data are reference values on the diagnosis tool.