System function
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
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.