System function
The "electronic control of the fuel pump" system includes the following functions:
- Supply of fuel in line with requirements
- Diagnosis of low pressure fuel system
- Emergency operation (complete activation of the electric fuel pump) in the event of problems communicating to the CAN bus.
- Cooling and lubrication of the electric fuel pump and high-pressure pump (diesel engine)
Example of functional networking F01
| Item | Explanation |
|---|---|
| 1 | Central gateway module (ZGM) |
| 2 | Crash Safety Module (ACSM) |
| 3 | Car access system (CAS) |
| 4 | DME (Digital Engine Electronics) or DDE (Digital Diesel Electronics) |
| 5 | Junction Box Electronics (JBE) |
| 6 | Electric fuel pump fuse |
| 7 | fuel pump control module (EKPS) |
| 8 | Fuel level sensor |
| 9 | Electric fuel pump |
| 10 | Fuel level sensor |
| 11 | Instrument panel (KOMBI) |
NOTE:
The EKPS control unit can also be connected to the PT-CAN.