12-Pin Connector 4, Cd Changer -R41- /Multimedia System Control Module -J650-

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Fig 1: Identifying 12-Pin Connector 4, CD Changer / Multimedia System Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Left video input (+) to Multimedia system control module
Audio input ground to Multimedia system control module
Audio ground from the CD changer
Terminal 30 to the CD changer
Not used
DATA OUT to the CD changer
Right audio input (+) to Multimedia system control module
Left audio from the CD changer
Right audio from the CD changer
Control signal to the CD changer
DATA IN from the CD changer
CLOCK from the CD changer