Functional Description (F57)

12 V Power Socket
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
6-Speed Automatic Transmission And 8-Speed Automatic Transmission
- AISIN 6-speed automatic transmission and 8-speed automatic transmission with electronic transmission control (EGS)
- Brief component description
- System functions
- Notes for service technicians
  - Automatic transmission fluid
- General notes
Accelerator Pedal Module
- Notes
- Functional description
- Structure and inner electrical connection
- Specifications and characteristic curve
- Diagnosis instructions
  - Failure of the component
Active Sound Design
- Active Sound Design (ASD)
- Electrical engine sound
- Brief component description
- System overview
- System functions
  - Notes
  - Electronic power-up
- Notes for service technicians
  - Component replacement
  - Diagnosis
- Functional description
- Structure and inner electrical connection
  - Notes
  - Nominal values
- Diagnosis instructions
  - Failure of the component
Adaptations
- Notes
- Examples of various adaptations
Adaptations And Equipment Variations
- Notes
- Examples of various adaptations
Additional Brake Light
- Notes
- Functional description
- Structure and inner electrical connection
  - Notes
  - Nominal values
- Diagnosis instructions
  - Notes
  - Function check of the component
Adjustment, Consumption Calculation
- Notes
- Adjustment function
- Application
- Determining fuel consumption
Adjustment Drive
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Aerial Amplifier And Aerial Diversity Module
- Notes
- Functional description
- System overview
- Diagnosis instructions
  - Failure of the component
AGM Battery
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- General notes
  - Charge
Airbag Sensor, Left B-Pillar
- Notes
- Functional description
- Structure and inner electrical connection
- Specifications and characteristic curve
- Diagnosis instructions
  - Failure of the component
Airbag Sensor, Right B-Pillar
- Notes
- Functional description
- Structure and inner electrical connection
- Specifications and characteristic curve
- Diagnosis instructions
Airbag Sensor, Front Left Door
- Notes
- Functional description
- Structure and inner circuit
- Target values
- Diagnosis instructions
  - Failure of the component
Air Conditioning Compressor
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Protective function during blocked air conditioning compressor
Air Conditioning Compressor (Electrical)
- Notes
- Functional description
- Structure and inner electrical connection
  - Notes
  - Nominal values
- Diagnosis instructions
  - Failure of the component
Air Distribution Flap Motor
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Air Intake Systems
Air Supply
- Notes
- Brief component description
- System functions
  - Calculation of air mass
Alarm System
- Anti-theft alarm system and sirens with tilt-alarm sensor
- Brief component description
- System functions
- Notes for service technicians
  - General notes
- Diagnosis instructions
  - Reading out the alarm memory
All-Round Vision Camera
- All-round vision camera (Top Rear Side View Camera - TRSVC)
- Brief component description
- System functions
- Notes for service technicians
  - General notes
  - Diagnosis instructions
Alternator
- Notes
- Functional description
- Structure and inner electrical connection
- Characteristic curve and setpoint values
- Diagnosis instructions
  - Failure of the component
Audio Control Panel
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Audio Test Cd
- Notes
- Description of the audio test CD
- Geometric characteristics of CDs and DVDs Shape of the CD
- Border of the CD
- Visual characteristics of CDs and DVDs
Automated Coolant - Cooling System Bleeding Routine
Automatic Air RECIRCULATION Control Sensor
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Automatic Engine Start-Stop Function
- Notes
- Brief component description
- System functions
- Notes for service technicians
  - Power management and battery exchange
  - Diagnosis instructions
Automatic Luggage Compartment Lid Actuation
- Automatic operation of tailgate (HKL)
- Brief component description
- System overview
- System functions
Automatic Start/Stop Function: History Memory Part 1 Of 2
Automatic Start/Stop Function: List Of Start Inhibitors
- Notes
- Instructions for reading the start inhibitor
Automatic Start/Stop Function: List Of Switch-Off Inhibitors (2)
Automatic Test For Detecting Coking On The Intake Port And Incorrect Camshaft Timing In The Test Procedure For Misfiring
Automatic Test For Detection Of Carbon Deposits In The Intake Ports In The Test Module For Misfire
- Notes
- Test procedure
Auxiliary Coolant Pump
- Notes
- Functional description
- Structure and inner electrical connection
- Characteristic curve and setpoint values
- Diagnosis instructions
  - Failure of the component
  - Function check of the component
Aux-In Connection With USB Port
- Notes
- Functional description
- No import via the USB interface
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Function check of the component
Backrest Heating For Driver And Passenger
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - General notes
Base Plate
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Base Plate Fan
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Function check of the component
Battery Management Electronics
- Battery management electronics (SME)
- Functional description
- Switch-off of the high-voltage electrical system in the event of an accident
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
BEHAVior OF THE RADIATOR FAN
- Noticeable symptoms: Behavior of the radiator fan
Blower Motor
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - General notes
Blower Output Stage
- Notes
- Functional description
- Structure and inner electrical connection
  - Notes
  - Nominal values
- Diagnosis instructions
  - Failure of the component
  - General notes
Blow-Off Valve
- Notes
- Functional description
- Structure and inner electrical connection
- Schematic overview and setpoint values
- Diagnosis instructions
  - Failure of the component
BLUETOOTH Aerial
- Notes
- Functional description
- Structure and inner electrical connection
- Diagnosis instructions
  - Failure of the component
Body Domain Controller
- Body Domain Controller (BDC)
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Brake Fluid Level Switch
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Brake Pad Wear Sensor, Front Left
- Notes
- Functional description
- Structure and inner electrical connection
- Measurement procedure and target values
- Diagnosis instructions
  - Failure of the component
  - Service functions
Brake Pad Wear Sensor, Rear Right
- Notes
- Functional description
- Structure and inner electrical connection
- Measurement procedure and target values
- Diagnosis instructions
  - Failure of the component
  - Service functions
Brake Pedal Travel Sensor
- Notes
- Functional description
- Structure and inner electrical connection
- Diagram and setpoint values
- Diagnosis instructions
  - Failure of the component
  - General note
Brake Vacuum Sensor
- Notes
- Functional description
- Structure and inner electrical connection
- Characteristic curve and setpoint values
- Diagnosis instructions
  - Failure of the component
Bus Systems
- Bus system analysis
- Possible faults in bus systems
Calibration Of Consumption Indicator
- Notes
- Calibration function
- Application
- Determining fuel consumption
Camera-Based Driver Assistance Systems
- Camera-based driver support systems (KAFAS)
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - General notes
  - Failure of the component
- Brief component description
- System functions
- Notes for service technicians
  - General notes
  - Diagnosis instructions
Camera-Based Driver Support Systems
- Camera-based driver support systems (KAFAS)
- Brief component description
- System functions
- Notes for service technicians
  - General notes
  - Diagnosis instructions
Camera-Based Driver Support Systems Camera Heating
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Camera For Lane Departure Warning
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - General notes
  - Failure of the component
Can Terminator
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Car Sharing Module
- Car sharing module (CSM)
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
CBS Correction, Tester Data
CBS Reset
- Overview
- Notes
- Sequence of the procedure
CBS Service Inclusive Selection
- Description of the contents of the test module CBS Service Inclusive
  - Notes
  - Sequence of the procedure
CBS Vehicle Data Correction
- Overview
- Notes
- Sequence of the procedure
CBX-ECALL Perceived Symptoms: Repair, Maintenance
- Problems during repair work, programming, maintenance, pre-delivery check
CBX-ECALL Perceived Symptoms: Telematics And Online Services
- Problems executing services in the vehicle
CBX-Media: Customer-Initiated Software Update (KISA)
- Overview of possible faults during a customer-initiated software update (KISA)
CBX-Media Perceived Symptoms: BLUETOOTH Pairing
- Problems with Bluetooth pairing and connection
CBX-Media Perceived Symptoms: IPHONE And IPOD
- Problems with iPhone and iPod
CBX-Media Perceived Symptoms: Repair, Maintenance
- Problems during repair work, programming, maintenance, pre-delivery check
CBX-Media Perceived Symptoms: Snap-In Adapter
- General information on use of the snap-in adapter
- Problems when charging mobile phone, snap-in adapter
CBX-Media Perceived Symptoms: SVS Active Voice Recognition
- Problems with the Active Voice Recognition system
CBX-Media Perceived Symptoms: Telephone Functions
- Problems when telephoning (inadequate voice quality, poor reception quality...)
CBX-Media Perceived Symptoms: USB Functions
- Problems with the USB port in the center console
Cd/DVD Changer: Quality Check
Cd Changer And DVD Changer
- CD changer/DVD changer audio/video (CDC/DVDC)
- Brief component description
- System functions
- Notes for service technicians
- Malfunctions caused by poor-quality or damaged CDs/DVDs
- Faults with transparent CDs/DVDs
- Manufacturing defects
- Warpage
- Faulty "Eject" function
- Checking CD/DVD changer for scanning faults
Cell Block
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Cell Supervision Circuit
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
Central Information Display
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Display for a fault
Central Instrument
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Function check
Central Locking Button, Driver's And Front Passenger Door
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Central Locking Drive, Charging Socket
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Function check of the component
Central Locking Drive, Charging Socket Cover
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Function check of the component
Central Locking Drive, Fuel Filler Flap
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
  - Function check of the component
Central Locking Drive Engine, Tailgate
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Central Locking System
- Notes
- Brief component description
- System functions
- Functional networking of the central locking system
- Contact-free tailgate opening
- Notes for service technicians
  - Diagnosis instructions
Center Console Control Panel
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Center Console Operating Facility
- Notes
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component
Chafe Marks On DDE Wiring Harness On B37 And B47
Characteristic Map Thermostat
- Notes
- Functional description
- Structure and inner electrical connection
- Temperature profile and setpoint values
- Diagnosis instructions
  - Failure of the component
Charge Air Temperature Charging Pressure Sensor
- Notes
- Functional description
  - Boost pressure sensor
  - Charge-air temperature sensor
- Structure and inner electrical connection
- Characteristic curve and setpoint values
- Diagnosis instructions
  - Failure of the component
Charge-Air Temperature Sensor
- Notes
- Functional description
- Structure and inner electrical connection
- Characteristic curve and setpoint values
- Diagnosis instructions
  - Failure of the component
Charging Interface Module
- Charging interface module (LIM)
- Functional description
- Structure and inner electrical connection
- Nominal values
- Diagnosis instructions
  - Failure of the component