Cell Phone Preparation Connector Assignment, Can, USA Through My 2008

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 (+) from Microphone Unit In Front Roof Module -R164- (Telephone Microphone -R38-)

12 -

Microphone input (-) from Microphone Unit In Front Roof Module -R164- (Telephone Microphone -R38-)

16 -

NF mute, not used

17 -

CAN bus high, Infotainment

18 -

CAN bus low, Infotainment

37 -

Chamber 30 to Telephone Baseplate -R126-

39 -

Chamber 31 to Telephone Baseplate -R126-

41 -

Chamber 30 to Telephone Baseplate -R126-

42 -

Microphone output (+) to Telephone Baseplate -R126-

43 -

Microphone output (-) to Telephone Baseplate -R126-

44 -

Terminal 31, ground shielding

45 -

LF (+) from Telephone Baseplate -R126-

46 -

LF (-) from Telephone Baseplate -R126-

47 -

DIAG signal from Telephone Baseplate -R126-

49 -

Ser-Tx (+) to Telephone Baseplate -R126-

50 -

Ser-Tx (-) to Telephone Baseplate -R126-

51 -

Ser-Rx (+) from Telephone Baseplate -R126-

52 -

Ser-Rx (-) from Telephone Baseplate -R126-