12-Pin Connector 4, Cd Changer -R41- /External Audio Source Connection -R199- /Multimedia System Control Module -J650-

Fig 1: 12-pin Connector 4, CD Changer -R41- /External Audio Source Connection -R199- /Multimedia System Control Module -J650-

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

1. Left audio input (+) External audio source connection -R199- /Multimedia system control module -J650-
2. Audio input ground External audio source connection -R199- /Multimedia system control module -J650-
3. Audio ground from the CD changer -R41-
4. Terminal 30 to the CD changer
5. Not assigned
6. DATA OUT to CD changer
7. Right audio input (+) External audio source connection -R199- /Multimedia system control module -J650-
8. Left audio from the CD changer
9. Right audio from the CD changer
10. Control signal to the CD changer
11. DATA IN from the CD changer
12. CLOCK from the CD changer