Restraint System - Functional Description -- E90
- Restraints System - Functional Description
- Crash Safety Module (ACSM)
- Crash-Active Head Restraint
- Ignition Circuit, Safety System (Airbag)
- Installation Position, Seat Occupancy Electronics
- Multiple Restraint System (MRS)
- Notes
- Brief component description
- MRS control unit
- Front door airbag sensor on driver's side and front door airbag sensor on front passenger side (US version)
- Airbag sensor in the B-pillar driver's side and front passenger side
- Front airbag sensor on driver's side and front passenger side (US version)
- Seat belt buckle switch
- Front passenger seat occupancy detection via seat-occupancy mat with pressure sensors (European version)
- Switch for front passenger airbag deactivation (European version)
- Front passenger seat occupancy detection via seat-occupancy mat with capacitive sensor system (US version)
- CAS: Car Access System
- DME or DDE: Digital Motor Electronics and/or Digital Diesel Electronics
- JBE: Junction Box Electronics
- FRM: Footwell module
- Instrument panel: Instrument panel
- TCU: Telematics control unit
- Driver's and front passenger airbag
- Side airbag
- Knee airbag (US version)
- Seatbelt tensioners for driver belt and passenger belt
- Reel tensioners for driver's seat belt and passenger belt (US version)
- Seat belt force limiter
- Safety battery terminal
- Battery cable monitoring wire
- Airbag control lamp
- Seat belt warning lamp
- Indicator lamp for front passenger airbag deactivation
- Fuel pump
- System functions
- Self-test
- Impact detection
- Activation the safety system
- Message to other control units
- Visual and acoustic seat belt warning for driver belt and passenger belt
- Notes for Service department
- Notes on encoding/programming
- National-market versions
- Passenger's Airbag Deactivation
- Roll-Over Protection System
- Seat Belts
- Seat Occupation Detection (OC3)