Downloaded from www.Manualslib.com manuals search engine 91-50
Checking wiring between radio and CD
changer
- Switch off radio.
"Concert II" radio:
- Press CD button on radio and switch radio on at
the same time.
"Symphony II" radio:
- Press button "4" on radio and switch radio on at
the same time, keeping the ON button pressed
in.
All models:
1. Wiring OK
Indicated on radio display:
"CONNECT" Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication
Downloaded from www.Manualslib.com manuals search engine 91-51
2. Wiring not OK
Indicated on radio display:
"NO CDC"
- Check electrical connections at CD changer.
- Repeat wiring test and, if the wiring is not OK,
use wiring diagrams to check wiring.
Electrical Wiring Diagrams Audi A4 Sedan 2002-2004, Audi A4 Avant 2002-2004, Audi A4 Cabriolet 2003-2004 - Communication
