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Display group "126” > < Display group "081”

A4 Cabriolet Mk2

Display group “125”
Display group “125”
Information on convenience data bus system and operating status of convenience data bus system
   
Display zoneSignificanceExplanatory notes
1Information from control unit in dash panel insert -J285-
t  Display = “Dash panel 0”
–  No messages received from control unit in dash panel insert -J285- (also heed notes on this display zone)
t  Display = “Dash panel 1”
–  Messages from control unit in dash panel insert -J285- being received
l  Data are transmitted by way of the convenience data bus system
l  If “0” is displayed, interrogate the fault memory → Chapter and check the convenience data bus system → Chapter
2Information from convenience system central control unit -J393-
t  Display = “Central 0”
–  Messages from convenience system central control unit -J393- not being received
t  Display = “Central 1”
–  Messages from convenience system central control unit -J393- being received
l  Data are transmitted by way of the convenience data bus system
l  If “0” is displayed, interrogate the fault memory → Chapter and check the convenience data bus system → Chapter

  Note
t  On operating and display units, Climatronic control unit -J255- with part no. index up to “G” (up to software version “XX14”), display zone “1” may indicate dash panel “0” for certain optional extras even if the message is being properly received. With this version, “1” is only displayed if certain items of information (e.g. “telephone operation voice recognition” function of control unit in dash panel insert -J285-) are being transmitted.
t  If, with an operating and display unit, Climatronic control unit -J255- up to part number index “G” (up to software version “XX14”), display zone “1” indicates dash panel “0” and display group “126” zone “4” indicates two-wire operation, check display in control unit in dash panel insert -J285-. If the measured value block (currently display group “131”) indicates “AC 1”, the convenience data bus system is OK. The fault “Control unit in dash panel insert no communication / SP” can then be ignored → "Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051 and → Electrical sytem; Rep. Gr.01.
   
Display zoneSignificanceExplanatory notes
3Information from on-board supply control unit -J519-
t  Display = “el. CE. 0”
–  Messages from on-board supply control unit -J519- not being received
t  Display = “el. CE. 1”
–  Messages from on-boad supply control unit -J519- being received
l  Data are transmitted by way of the convenience data bus system
l  If “0” is displayed, interrogate the fault memory → Chapter and check the convenience data bus system → Chapter
4Information from steering column electronics control unit -J527-
t  Display = “Steering wheel 0”
–  Messages from steering wheel electronics control unit -J527- not being received
t  Display = “Steering wheel 1”
–  Messages from steering wheel electronics control unit -J527- being received
l  Data are transmitted by way of the convenience data bus system
l  If “0” is displayed, interrogate the fault memory → Chapter and check the convenience data bus system → Chapter

   

Display group "126” > < Display group "081”