Connector Assignment, MMI Through 10 / 31 / 2008.

Front Information Display Control Head Control Module J523

Fig 1: Front Information Display Control Head Control Module -J523-

Courtesy of AUDI OF AMERICA, LLC

A - 10-pin connector, Japan Navigation

B - 20-Pin Connector (T20b) to the Multimedia System Control Head -E380-

C - MOST Bus

D - Connector (T22a) to Front Information Display Control Head -J685-

E - CVBS Input from TV Tuner - R78- / Rearview Camera System Control Module -J772-

NOTE:

Unlisted Connector Terminals Are Not Assigned.

B - 20-Pin Connector (T20b)

Fig 2: 20-Pin Connector -T20b-

Courtesy of AUDI OF AMERICA, LLC

1 - Terminal 30

2 - Terminal 31

3 - Ring-break Diagnostic Cable

6 - Wake up to Multimedia System Control Head -E380-

7 - Power Supply to Multimedia System Control Head -E380-

8 - Ground to Multimedia System Control Head -E380-

13 - Reset from Multimedia System Control Head -E380-

14 - Reset to the Multimedia System Control Head -E380-

15 - Data to the Multimedia System Control Head -E380-

16 - Data from Multimedia System Control Head -E380-

20 - LF mute wire from preliminary setup for cell phone preparation

C - MOST Bus

Fig 3: 2 - MOST Bus

Courtesy of AUDI OF AMERICA, LLC