Functional networking
A complex system network with distributed functions residing in additional control units is needed to implement the head unit's functionality. The following illustration shows the functional networking.
F3x example
| Item | Explanation |
|---|---|
| 1 | Dynamic stability control (DSC) |
| 2 | Central information display |
| 3 | Front fuse and relay module |
| 4 | Front Electronic Module (FEM), or alternatively for other series Body Domain Controller (BDC) |
| 5 | GPS navigation system for Japan in interior rearview mirror |
| 6 | USB port in the glove box: example |
| 7 | AUX-IN connection with USB port |
| 8 | Audio operating facility |
| 9 | Air conditioning control panel |
| 10 | Power distribution box, rear |
| 11 | Integrated chassis management (ICM) |
| 12 | Controller (CON) |
| 13 | Integrated automatic heating/air conditioning system (IHKA) |
| 14 | Connections for speaker |
| 15 | Steering column switch cluster |
| 16 | Instrument panel (KOMBI) |
| 17 | Antenna connections |