Overview - Telephone, BLUETOOTH Hands-Free Calling (9ZX), From My 2021

The Control Module for Emergency Call Module and Communication Unit -J949- is installed and is used for hands-free calling.

The Cellular Telephone -R54- is done via Bluetooth using the wireless data transfer antenna Wireless Data Transfer Antenna -R336- /Wireless Data Transfer Antenna 2 -R366- and the Bluetooth Antenna -R152- in the Roof Antenna -R216-.

It can be operated using the MMI Infotainment system or by the Cellular Telephone -R54-.

The Left Front Microphone -R140- and the Right Front Microphone -R141- are installed in the Front Roof Module -WX3-.

9ZX - Bluetooth Hands-Free Calling

Courtesy of AUDI

1. Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
2. Left Front Microphone -R140-
3. Right Front Microphone -R141-
4. Control Module for Emergency Call Module and Communication Unit -J949- under the Right Front Seat
5. Bluetooth Antenna -R152- in the Roof Antenna -R216-
6. Wireless Data Transfer Antenna -R336-, on the Right B-Pillar
7. Wireless Data Transfer Antenna 2 -R366- on the Mirror Base
8. Sound Systems
9. Information Electronics Control Module 1 -J794- behind the Glove Compartment

Antenna, removing and installing. Refer to COMPONENT LOCATION OVERVIEW - ANTENNA SYSTEMS .

Fault Finding is performed using the "Guided Fault Finding" on the Vehicle Diagnostic Tester.

Antenna Wires, Repairing. Refer to ANTENNA WIRES, REPAIRING .

Notes on Bluetooth Technology

A standardized radio connection is used for data transfer between the Information Electronics Control Module 1 -J794- and Cellular Telephone -R54- - Bluetooth Technology. The range of the radio connection is approximately 10 m (32.8 feet).