Functional networking
The following graphic illustrates the functional networking for the airbag system, using the example of F30.
| Item | Explanation |
|---|---|
| 1 | Airbag front sensor, left (US version) |
| 2 | Front electronic module (FEM) with installed central gateway module (ZGM) |
| 3 | Crash Safety Module (ACSM) |
| 4 | Instrument panel (KOMBI) |
| 5 | Switch for front passenger airbag deactivation (European version) |
| 6 | Airbag front sensor, right (US version) |
| 7 | Airbag sensor, right-hand front door (US version and depending on model) |
| 8 | Head airbag, right (depending on equipment) |
| 9 | Airbag sensor, right B-pillar |
| 10 | Reversible electromotive automatic reel, right (REMABF), (model-specific) |
| 11 | Adaptive belt force limiter, front right (US version, depending on equipment) |
| 12 | Reel tensioner for front passenger seat belt (US version) |
| 13 | Safety battery terminal |
| 14 | Seat belt buckle contact, rear passenger's side (European version, model-specific) |
| 15 | Front passenger seat occupancy detector (US version) |
| 16 | Front passenger seat occupancy detector (Europe version) |
| 17 | Seat position sensor, front passenger (US version) |
| 18 | Seat belt buckle switch for front passenger seat belt |
| 19 | Belt tensioner for front passenger seat belt |
| 20 | Front side airbag, passenger's side |
| 21 | Crash-active headrest, front passenger seat |
| 22 | Front passenger airbag (European version) |
| 23 | Front passenger airbag with pyrotechnically activated discharge hole (US version) |
| 24 | Knee airbag for front passenger (US version) |
| 25 | Indicator lamp for front passenger airbag deactivation |
| 26 | Front fuse and relay module |
| 27 | Rollover protection, right (model-specific) |
| 28 | Seat belt buckle contact (model-specific) |
| 29 | Rollover protection, left (model-specific) |
| 30 | Integrated chassis management (ICM) |
| 31 | Knee airbag for driver (model-specific) |
| 32 | Driver's airbag with pyrotechnically activated discharge hole (US version) |
| 33 | Driver's airbag (European version) |
| 34 | Crash-active headrest, driver's seat |
| 35 | Front side airbag, driver's side |
| 36 | Belt tensioner for driver's seat belt |
| 37 | Belt buckle switch for driver belt |
| 38 | Seat position sensor, driver (US version) |
| 39 | Seat belt buckle contact, driver's side, rear (European version) |
| 40 | Reel tensioner for driver's seat belt (US version) |
| 41 | Adaptive belt force limiter, front left (US version) |
| 42 | Combox (CBX-MEDIA or CBX-ECALL) |
| 43 | Reversible electromotive automatic reel, left (REMAFA) (model-specific) |
| 44 | Airbag sensor, left B-pillar |
| 45 | Head airbag, left |
| 46 | Airbag sensor, front door, left (US version) |
| LIN | LIN bus (Local Interconnect Network bus) |
| PT-CAN | Drive train CAN |