fuse diagram AUDI A4 1999 B5 / 1.G Radio OBD Workshop Manual

01-2

Radio On Board Diagnostic (OBD),
initiating program


Test requirements

Fuse OK per wiring diagram

Electrical Wiring Diagrams, Troubleshooting &
Component Locations

VAG1551 Scan Tool (ST) connected page 01
-108


Ignition switched on

Notes:
If the display remains blank, check the voltage
supply of the VAG1551 Scan Tool (ST)
according to the wiring diagram.
Additional operating instructions can be printed
out by pressing the HELP button.
The button is used to advance through the
program sequence.
Pa
ge 2 of 34 Radio, On Board Dia
gnostic
(OBD
) (m.
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)
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p://127.0.0.1:8080/audi/servlet/Dis
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