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Components used in MMI basic (2nd generation) > < Technical data

A4 Mk3

Components used in MMI high (2nd generation)
Components used in MMI high (2nd generation)
As the individual vehicle systems are networked, the navigation system uses a large number of different control units.
These control units communicate with each other across different types of bus. The data bus diagnostic interface -J533-, which is connected to all the different bus versions, prepares and transmits the data to the corresponding control unit.
   
 - Control unit in dash panel insert -J285-
 - ABS control unit -J104-
 - Front left speed sensor -G47-
 - Front right speed sensor -G45-
 - Data bus diagnostic interface -J533-
 - GPS aerial -R50-
 - Navigation system with CD drive control unit -J401-
 - Control unit for front display and information control panel -J523-
 - Display unit for front information display and operating unit control unit -J685-
 - Multimedia system operating unit -E380-
 - Radio -R-
 - Speech input control unit -J507- (fitted in radio -R-)
 - Aerial amplifier -R24-
 - Digital sound package control unit -J525-
1 - Instrument cluster CAN
2 - Drive train CAN
3 - MOST bus

  Note
The onboard supply control unit -J519- and gear detector switch -F208- are required in addition for vehicles with a manual gearbox in order to detect the direction of travel. The multifunction switch -F125- and automatic gearbox control unit -J217- are required in order to detect the direction of travel on vehicles with an automatic gearbox.
  Note
The rear right speed sensor -G44- and rear left speed sensor -G46- are required in addition on vehicles with four-wheel drive.
   

Components used in MMI basic (2nd generation) > < Technical data