Body Electrical System - Functional Description - E92

• Body Electrical System - Functional Description
  • Bit-Serial Data Interface (BSD)
    • Notes
    • Function
    • Diagnosis
  • Brake Light Switch
    • Notes
    • Function
    • Diagnosis
  • Bus Systems
    • Bus system analysis
    • Possible faults in bus systems
  • Car Access System/Front Electronic Module/Body Domain Controller CAS/FEM/BDC Enable Line
    • Notes
    • Fault recognition in engine control unit
  • Closed-Circuit Current Cutoff Relay: Bi-Stable Relay (Depending On Variant)
    • Notes
    • Brief description
  • Closed-Circuit Current Measurement
    • Notes
    • Cables used
    • Testing instructions
    • Outlook
    • Quiescent current measurement procedure
    • Test results for regular entry into sleep mode
    • After-running period of terminal 30 switched
    • Note
    • Procedure for troubleshooting
    • Explanation of logarithmic representation
  • Comfort Access System
    • Notes
    • Comfort Entry
    • Comfort Go
    • Comfort Exit
    • Work on the Comfort Access
    • Note
    • Brief description of components
    • Comfort Access control module
    • Car Access control module
    • Comfort Access door module
    • Inductive transmitter antennas
    • K-CAN SYSTEM data bus
    • Comfort Access sub-bus (K-TAGE)
    • Identifiers
    • Main functions
    • Comfort Entry (unlocking the doors)
    • Comfort Go (starting the vehicle)
    • Comfort Exit (securing the vehicle)
    • Unlocking and opening the trunk lid/tailgate
    • Closing rear lid
    • Assignment of an identifier
    • Granting access authorization/start authorization
    • Misuse protection
    • Anti-repeat circuits
    • Initialization
    • Initializing Comfort Access control module and outside door handles
  • Comfort Access Sub-Bus (K-TAGE)
    • Notes
    • Check of the Comfort Access Subbus
  • Comparison Images EWS Oscilloscope Measurement
    • Important
  • Conversion Of Coil-Spring Assembly To Connector System "MQS"
  • Dealing With Short Circuits In The Footwell Module (FRM)
    • Note
    • Designation
    • Dealing with short circuits in the footwell module, FRM, 2nd generation
    • Description of dealing with short circuits up to 09/2007
    • Description of dealing with short circuits as of 09/2007
    • Description of dealing with short circuits as of 09/2009
  • Description Of Bus Diagnosis
  • Power Window Regulators
  • Electromagnetic Compatibility (EMC) Measures E61 And E91
    • Measures to increase electromagnetic compatibility
      • Notes
      • EMC measures E61
      • EMC measures E91
    • Notes for Service department
    • Diagnosis instructions
  • Electromagnetic Compatibility (EMC) Measures E92
    • Measures to increase electromagnetic compatibility
    • EMC measure, E92
    • Notes for Service department
      • Diagnosis instructions
  • Energy Diagnosis
    • Notes
    • Vehicle does not "go to sleep"
    • Vehicle keeps being woken up
    • Excessive standby current
    • Battery or alternator faulty
  • Energy Diagnosis: Terminal Control
    • Notes
    • Brief description
    • Terminal 30: continuous positive
    • Terminal 30 switched: Switched continuous +
    • Closed-circuit current cutoff relay: Deactivation in the event of a fault
    • Terminal 15
    • Terminal R
    • Terminal 87
  • Energy Diagnosis: Unfavorable Customer Usage
    • Notes
    • Side lights, parking light or hazard warning flashers were switched on
    • Terminal R or terminal 15 was switched on
    • Long immobilization period
    • Unfavorable driving profile
  • Roof Functions Center (FZD)
    • Notes
    • Initialization of slide/tilt sunroof (SHD)
  • Fully Automatic Convertible Top
    • Notes
    • Brief description of components
    • Sensors for detection of the convertible top position
    • CVM: Convertible top module
    • Button for operation
    • Convertible top drive unit
    • Drive unit for locking cowl panel
    • KOMBI: Instrument cluster
    • FRM: Footwell module
    • JBE: junction box electronics
    • CAS: Car Access System
    • System functions
    • Opening and closing the convertible top
    • Convenience operation
    • Check Control messages
    • Notes for Service department
      • General information
      • Diagnosis instructions
      • Notes on encoding/programming
  • Parking Aid
    • Notes
    • Influences due to faults in the vehicle that cannot be detected by the PDC control module
    • Influences from body styling parts on the vehicle
    • Influences from environmental conditions
    • Influences from the vehicle environment
    • Hard-to-detect obstacles
  • Initialize Power Windows
    • Notes
    • Preconditions
    • Deleting the initialization (de-calibration)
    • Execution of initialization via operating switches
  • Instrument Cluster System Test
    • System test
  • Instrument Cluster: Power Supply Switched Off
  • LIN Bus
    • Notes
    • Brief component description
    • System function
    • Notes for Service department
      • General notes
      • Diagnosis instructions
  • Possible Manipulation Of Odometer
    • General information
    • Important
    • Visual inspection while installed
    • Check with BMW diagnosis system
    • Check when removed
  • Pedestrian Protection
    • Notes
    • Brief component description
    • ACSM or MRS: Crash safety module/multiple restraint system
    • Pedestrian protection sensors
    • Actuators
    • System functions
    • Functional networking
    • System activation
    • Notes for Service department
      • General notes
  • Protective Functions For Power Windows
    • Notes
    • Temperature protection (all series)
    • Central operation protective function (convertible only)
  • Rain/Driving Light Sensor: Restrictions Due To Technical Features
    • Notes
    • Automatic driving lights control
    • - Rain/light sensor on vehicles with Head Up display
    • Rain sensor
  • Rain/Light Sensor
    • Notes
    • Rain sensor
    • Function
    • Initialization
    • Driving light sensor
  • Roller Sun Blind
  • Schematic Circuit Diagram, Bus Diagnosis
  • Setpoint Value Table Of Brake Light Switch
    • Notes
    • Function
  • Setting Garage-Door Opener
    • Notes
    • Preconditions
      • Notes
      • 1. Programming (fixed-code hand-held transmitters)
      • 2. Programming (random code hand-held transmitter)
      • 3. Deleting stored programs
      • 4. Help
  • Shut-Off Standby Current Violation
    • Notes
    • Bi-stable relay (depending on variant)
    • Variant without bi-stable relay
    • Activation of bi-stable relay
    • Conditions required for switch-off, closed circuit current cutoff relay (fault)
    • Closed-circuit current cutoff relay switch-on conditions
  • Slide/Tilt Sunroof (SHD)
    • Notes
    • Brief description of components
      • Sunroof (SHD module)
      • Operating switch
      • Car Access System (CAS)
      • Main functions
        • Operations
        • Anti-trapping protection
        • Panic mode
        • Initialization
        • Important
        • Initialization via diagnosis
  • Reduction Or Shutdown Of Individual Electrical Consumer
    • Notes
    • System functions
    • Reduction or shutdown of individual electrical consumer
    • Important!
    • Notes for Service department
      • General notes
        • Notice! Procedure in the event of a customer complaint with regard to malfunctions
      • Diagnosis instruction
        • Caution! Activation via diagnosis
  • Soft Top Compartment Lid Lock
    • Customer complaint
    • Check
    • Repair
  • Steering Wheel Heating
  • Voltage Supply, Junction Box Electronics (JBE)
    • JBE minimum function
    • Relays of the JBE (internal and external)
    • Bus connections
    • Line connections in the JBE
    • Functions of the JBE
  • Wash And Wipe System And Headlight Cleaning System
    • Operating principle
    • Relays in the power distribution box