Overview - Telephone, BLUETOOTH Hands-Free Calling (9ZX), Through My 2020

The Information Electronics Control Module 1 -J794- is installed and is used for hands-free calling.

The Cellular Telephone -R54- is connected via Bluetooth. The Bluetooth Antenna -R152- is installed in the Information Electronics Control Module 1 -J794-.

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-.

An LTE module can also be installed in the Information Electronics Control Module 1 -J794- for an Internet connection (Audi connect, EL3).

9ZX - Bluetooth hands-free calling in the Information Electronics Control Module 1 -J794-

Courtesy of AUDI

1. Front Information Display Control Head -J685- in Center of the Instrument Panel
2. Left Front Microphone -R140- /Right Front Microphone -R141-, in the Front Roof Module -WX3-.
3. Information Electronics Control Module 1 -J794- behind the glove compartment
4. USB Distributor -R293- in the front center console storage compartment
5. Sound Systems
6. Instrument Cluster Control Module -J285- in the instrument panel

Antennas

9ZX - Bluetooth hands-free calling without Audi connect EL0:

• There are no antennas installed.

9ZX - Bluetooth hands-free calling with Audi connect EL3:

• No antenna is installed for the telephone function.
• The LTE Antenna 1 -R297- and LTE Antenna 2 -R306- is installed for data transmission.

Overview Antennas

Courtesy of AUDI

1. Information Electronics Control Module 1 -J794-
2. Not Installed
3. Center Bumper Antenna
   • Emergency Call Module Antenna -R263-, IW1/IW3 and IV0
   • LTE Antenna 1 -R297-, EL3 and IV1 through IV8
4. Not Installed
5. Left Bumper Antenna
   • LTE Antenna 2 -R306-, EL3 and IV0
   • Emergency Call Module Antenna -R263-, IV1 through IV8
6. LTE Antenna 2 -R306-
   • EL3 and IV1 through IV8
7. Roof Antenna -R216-
   • LTE Antenna 1 -R297-, EL3 and IW0/IV0
   • Emergency Call Module Antenna 2 -R322-, IW1/IW3/IV1 through IV8
8. Not Installed

• IW1/IW3 - with emergency call system, eCall/bCall
• IW0 - without emergency call system, eCall/bCall
• EL3 - with Audi connect online service
• EL0 - without Audi connect online service
• IV0 - Without connect Packet Plus
• IV1 through IV8 - with connect Plus

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).