Restraint System - Functional Description -- F04

• Restraint System - Functional Description
  • Airbag sensors
    • Function
  • Crash safety
    • Notes
      • Overview
      • General notes
    • Brief component description
    • ACSM: Crash safety module
    • Front door airbag sensor, left and front door airbag sensor, right
    • Airbag sensors on left and right B-pillars
    • Airbag front sensor left and right
    • Seat belt buckle switch
    • Seat position sensor (US version)
    • 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
    • ICM: Integrated chassis management
    • JBE: Junction Box Electronics
    • ZGM: Central gateway module
    • FRM: Footwell module
    • Front electronic module (FEM): Front Electronic Module
    • BDC Body Domain Controller
    • Instrument panel: Instrument panel
    • CBX-MEDIA and CBX-ECALL: Combox multimedia and Combox emergency call
    • Driver's airbag and front passenger airbag
    • Side airbag
    • Crash-active headrest
    • Head airbag
    • Knee airbag
    • Seatbelt tensioners for driver belt and passenger belt
    • Retractor tensioners for driver's seat belt and passenger belt
    • Anchor fitting tensioner
    • REMAFA resp. REMABF: Reversible electromotive automatic reel, left and right
    • Seat belt force limiter
    • Adaptive belt force limiter, front left and front right
    • Safety battery terminal
    • Airbag control lamp
    • Seat belt warning lamp
    • Indicator lamp for front passenger airbag deactivation
    • Fuel pump
    • System functions
    • Functional networking
    • 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
    • NB: Install only officially-approved seat covers
    • Diagnosis instructions
      • Note: Replace the Crash Safety Module after 3 crash signals followed by deployment of the safety system
      • Notes on encoding/programming
        • Note: Deactivating the acoustic seat belt warning
        • Note: Code crash safety module
      • National-market versions
        • National-market version for US
        • National version Japan/Gulf states
  • Crash-active head restraint
    • Notes
      • Overview
      • General note
    • Brief component description
    • Note: Deactivating the Crash Active head restraint with the passenger airbag deactivation feature
    • System functions
  • Front passenger airbag deactivation
    • Notes
    • Indicator lamp for passenger airbag deactivation
    • Switch for front passenger airbag deactivation (national-market version: European)
  • Ignition circuit, safety system (airbag)
    • Notes
    • Checking the ignition circuit
  • Installation position, seat occupancy electronics
    • Conductor path shifted
    • Seat occupancy mat is kinked
  • Retractor mechanism
    • Notes
      • Overview
      • General notes
    • Brief component description
      • Notes
      • EMALI or EMARE: Control unit for electrically motorized reel, left or right
      • Drive for electrically motorized reels, left and right
    • System functions
  • Reversible electromotive automatic reel, left and right (REMAFA, REMABF)
    • Notes
      • Overview
      • General notes
    • Brief component description
      • Notes
      • Reversible electromotive automatic reel control unit (REMAFA, REMABF)
      • Drive reversible electromotive automatic reel
    • System functions
  • Seat belts
    • Notes
    • Belt buckle switch
  • Seat-occupancy detection, front passenger
    • Notes
    • Functional description
    • Structure and inner electrical connection
    • Diagnosis instructions
      • Failure of the component
      • Assume correct position for function check of front passenger seat occupancy detection
      • General notes
        • Replacing the seat occupancy mat, front passenger (US version)