System network
The following graphic (functional wiring diagram) shows the system network for the Front Electronic Module (FEM). The Front Electronic Module (FEM) acts as transmitter and receiver. The signals are assigned internally to the corresponding receivers and output.
| Item | Explanation |
|---|---|
| 1 | Front Electronic Module (FEM) |
| 2 | LIN: Electric steering lock |
| 3 | LIN: Steering column switch cluster |
| 4 | LIN: Rain-light-solar-condensation sensor, roof function center and inside mirror |
| 5 | LIN: Multifunction steering wheel |
| 6 | LIN: Driver's seat operating facility and light operating facility |
| 7 | LIN: Exterior mirrors and contact-free tailgate opening |
| 8 | LIN: Headlight driver module |
| 9 | LIN: Remote control receiver |
| 10 | LIN: Wake-up line for DME (Digital Engine Electronics) or DDE (Digital Diesel Electronics) |
| 11 | Terminal 30: Outside door handle electronics |
| 12 | Central gateway module (ZGM): integrated as module in front electronic module (FEM) |
| 13 | Ethernet: Headunit, instrument cluster, CBX-MEDIA, CBX-ECALL and audio amplifier |
| 14 | FlexRay: Dynamic Stability Control (DSC), Integrated Chassis Management (ICM), Vertical Dynamics Management (VDM), electromechanical power steering and control unit for all-round vision camera (TRSVC) |
| 15 | D-CAN: Diagnostic socket |
| 16 | Powertrain CAN: Digital Engine Electronics (DME) or Digital Diesel Electronics (DDE), Crash Safety Module (ACSM), camera-based driver support systems, fuel pump control module (EKPS), electronic transmission control (EGS), gear selector switch (GWS), REMAFA and REMABF |
| 17 | K-CAN2: Rear Electronic Module (REM), roof function center (FZD), Parking Maneuvering Assistant (PMA) and high-beam assistant (FLA) |
| 18 | Body CAN: Driver's seat module (SMFA), front passenger seat module (SMBF), trailer module (AHM), IHKA and controller (CON) |