Characteristic curve and setpoint values
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The electrical voltage at the resistor is dependent on the fuel temperature. A table that specifies the temperature associated with each voltage value is stored in the engine control. This compensates for the non-linear relationship between electrical voltage and temperature.
Fuel temperature sensor characteristic curve
| Item | Explanation |
|---|---|
| 1 | Voltage |
| 2 | Fuel temperature sensor characteristic curve |
| 3 | Temperature |
| 4 |
Fuel pressure sensor characteristic curve
| Item | Explanation |
|---|---|
| 1 | Voltage |
| 2 | Fuel pressure sensor characteristic curve |
| 3 | Pressure |
| 4 |
Please note the following setpoint values for the fuel pressure and temperature sensor:
| Variable | Value |
|---|---|
| Supply voltage | 5 V |
| Pressure measuring range | 0 to 6 bar |
| Maximum power consumption | 15 mA |
| Response time of fuel pressure sensor | 5 ms |
| Response time of fuel temperature sensor | Less than 15 s |
| Temperature range | -40 °C to 125 °C |