Cell Phone Preparation Connector Assignment, Can, USA, From My 2009

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Connectors A And B

Courtesy of AUDI OF AMERICA, LLC

A -

Bluetooth Antenna -R152- Connection

B -

54-Pin Connector -T54a-

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: B - 54-Pin Connector (T54a)

Courtesy of AUDI OF AMERICA, LLC

1 -

Terminal 30

2 -

Terminal 31

8 -

LF (+) to Radio -R-

9 -

LF (-) to Radio -R-

10 -

Terminal 31, ground shielding, not used

11 -

Microphone input wire (+) from the Microphone Unit in Front Roof Module -R164-

12 -

Microphone input wire (-) from the Microphone Unit in Front Roof Module -R164-

16 -

NF mute, not used

17 -

CAN bus high, Infotainment

18 -

CAN bus low, Infotainment