Structure and inner electrical connection
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The fuel pressure and temperature sensor is connected by a 4-pin plug connection.
The fuel pressure sensor receives its ground and a supply voltage of 5 volts from the DDE control unit. The resistance of the fuel temperature sensor is part of a voltage divider circuit that is supplied with 5 volts by the DDE control unit.
| Item | Explanation |
|---|---|
| 1 | Fuel pressure sensor |
| 2 | Fuel temperature sensor |
PIN REFERENCE
| Pin | Explanation |
|---|---|
| 5 V | 5 Volts, supply voltage |
| SIG1 | Fuel pressure sensor signal |
| SIG2 | Fuel pressure sensor signal |
| Terminal 31E | Terminal 31, electronics earth (ground) both sensors |