Fuel Tank Temperature Sensor
The fuel tank temperature 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.
<Reference data>
| 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 and are measured between ECM terminals.
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