Functional Description - 2-Series (F22) - Charging System, Anti-Theft System, Body Electrical System, HVAC System
- Charging System - Functional Description
- Alternator
- Intelligent battery sensor and battery
- Vehicle system voltage supply
- Notes
- Brief component description
- Notes
- System wiring diagram
- Battery
- IBS: Intelligent battery sensor
- Alternator
- Fuse block on the battery
- Power distribution box, rear
- Front fuse and relay module
- Electronics box in engine compartment
- Capacitor box
- Battery cable
- Front Electronic Module (FEM)
- Rear Electronic Module (REM)
- DC/DC converter for providing support during an engine start
- System functions
- Notes for Service
- Power Control Unit (PCU)
- Power management
- Voltage supply
- Capacitor box: Measurement of the ripple of the vehicle voltage
- Set oscilloscope display alternator
- Anti-Theft System - Functional Description
- Central locking system
- Notes
- Brief component description
- Notes
- Door lock cylinder
- Driver's door lock
- Door contacts
- Remote control or identification signal
- Operating facility, hazard warning switch and central locking button
- Hotel position switch
- Tailgate pushbutton, passenger compartment
- Outer tailgate pushbutton
- Tailgate lock
- Rear window button
- Front electronic module (FEM): Front electronic module
- REM: Rear electronic module
- Drives in the door locks
- Drive for fuel filler flap
- Drive for the rear lid lock
- Drive for rear window locking
- Drive for electric locking of storage compartment in center console
- System overview
- System functions
- Notes for Service
- Teach in information for the key
- Central locking system
- Body Electrical System - Functional Description
- Bus systems
- Checking the CAN bus signal
- Oscilloscope measurement of the LIN bus signal to the ring aerial
- Oscilloscope measurement of the Local Interconnect Network bus signal
- Notice regarding "[!] Current fault patterns"
- junction box electronics
- Notes
- Brief description of components
- System functions
- Notes
- Power windows
- Wiper and washer system
- Central locking
- Climate control
- Seat heating
- Mirror heating and washer-nozzle heating
- Bi-stable relay
- Functions for instrument cluster
- Roller sunblind for rear window
- Roller sunblinds on the rear driver's side and rear passenger's side
- Roller cover for luggage compartment
- Interior rear-view mirror
- Line connection
- Relays of the junction box electronics
- electronic parking aid
- Plug connections, seat module
- Roof function center high version
- Initializing tilt sunroof/panorama moonroof
- Setpoint value table of brake light switch
- Rain-light-solar-condensation sensor
- Notes
- Brief component description
- Notes
- Rain sensor
- Rain/light sensor
- Solar sensor
- Condensation sensor
- Electronic component
- Front electronic module (FEM): Front Electronic Module
- FRM: Footwell module
- BDC Body Domain Controller
- Integrated automatic heating/air conditioning system: Integrated automatic heating/air conditioning system
- JBE: Junction Box Electronics
- ZGM: Central gateway module
- System overview
- System functions
- Notes for Service
- Setting the garage-door opener
- Soft Close Automatic system
- Low-pitch horn and high-pitch horn
- Lithium ion battery
- Rear Electronic Module (REM)
- Notes
- Brief component description
- System functions
- Notes
- System network
- Reading the fuel tank level
- Activation of rear wiper
- Activation of heated rear window
- Activation of tailgate lock
- Activation of rear power window regulator
- Activation of roller sunblind
- Activation of rear seat heating
- Activation of rear lights
- Park distance control
- Activation of seat-belt extender
- Notes for Service
- Telestart transmitter (version 1)
- Telestart transmitter (version 2)
- HVAC System - Functional Description
- Climate control
- Notes
- Brief component description
- Notes
- Air conditioning control box
- IHKA control unit
- Air conditioning compressor
- Blower motor with blower output stage
- Refrigerant pressure sensor
- Flap motors
- Stratification control wheel
- Temperature sensors
- Automatic air recirculation control sensor
- Rain-light-solar-condensation sensor
- Electric auxiliary heater
- System functions
- Notes for Service
- Integrated automatic heating/air conditioning system (IHKA)
- Notes
- Differences between the heating/air conditioning systems
- Brief component description
- Notes
- IHKA control unit with integrated control panel
- Blower with blower output stage
- Electric auxiliary heater (only vehicles with diesel engine)
- Flap motors
- Stratification control wheel
- Sensors
- Air conditioning compressor
- Condenser with integrated dryer flask
- Expansion valve
- System functions
- Functional networking
- Notes for Service
- Blower motor and blower output stage
- Electric A/C compressor
- Auxiliary heater system
- User information regarding the refrigerant circuit test module
- Climate control