PR25DD engine

The fuel tank temperature sensor is used to detect the fuel temperature inside the fuel tank.

Courtesy of NISSAN NORTH AMERICA, INC.

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.

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