Audi Workshop Service and Repair Manuals > A3 Mk1 > Vehicle electrics | Radio, Telephone and Navigation System, Self-diagnosis | Self diagnosis, V.A.G Inspection Service | Self-diagnosis of navigation system III (as of week 29/99) | Reading measured value block

List of display groups

Display group number	Indicated on display
001	1 = GALA (vehicle speed signal) level 2 = Voltage terminal 30
002	1 = Input status Reversing light switch 2 = Terminal 15 input status
003	1 = GPS aerial 2 = GPS aerial remote power supply status
004	1 = External display 2 = Function: Communication with external display
005	1 = Data bus 2 = Function: Communication Data bus information
006	1 = Left 2 = Vehicle speed (GALA)
007	1 = Content of function status register
008	1 = Front loudspeaker 2 = Front loudspeaker status
010	1 = Telephone 2 = Telephone mute input status 3 = Telephone 4 = Telephone mute output status

Audi Workshop Service and Repair Manuals