Cellular Telephone Amplifier -R86- CONNECTOR ASSIGNMENT, THROUGH MY 2014

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: 3 - 4-Pin Connector (T4ak)

Courtesy of AUDI OF AMERICA, LLC

GSM connection from Roof Antenna -R216-
Antenna connection to the Telephone Baseplate -R126-
4-Pin Connector -T4cm-

NOTE:

Unlisted connector terminals are not assigned.

Fig 2: 3 - 4-Pin Connector (T4ak)

Courtesy of AUDI OF AMERICA, LLC

Terminal 30
Terminal 31
Information Electronics Control Module 1 -J794- switch-on signal
Control pin (not used)