Overview - Telephone, BLUETOOTH Hands-Free Calling, 9ZX

The Information Electronics Control Module 1 -J794- is installed with the Microphone Unit In Front Roof Module -R164- and is exclusively for hands-free calling. The connection to the Cellular Telephone -R54- takes place via Bluetooth.

The Bluetooth Antenna -R152- is integrated in the Information Electronics Control Module 1 -J794-.

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

Fig 1: Identifying Bluetooth Hands-Free Calling (From 1 June 2009)

Courtesy of AUDI OF AMERICA, LLC

Instrument Cluster Control Module -J285-, Display
Multimedia System Control Head -E380- in the Center Console
Telephone Microphone -R38-, Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-
Information Electronics Control Module 1 -J794- with Bluetooth Antenna -R152- in the Glove Compartment
Data Bus On Board Diagnostic Interface -J533- behind the Driver Side Instrument Panel
Digital Sound System Control Module -J525- under the Left Front Seat

Antennas

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

No Telephone Antenna -R65- is installed
No LTE antennas (-R297- / -R306-) are installed

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

No Telephone Antenna -R65- is installed
Europe and Rest of World - The LTE Antenna 1 -R297- is installed in the Roof Antenna -R216- on the Coupe/under the rear panel cover on the Roadster
USA - The LTE Antenna 1 -R297- is installed under the rear bumper cover on the right side
The LTE Antenna 2 -R306- is installed under the rear bumper cover on the left side

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

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

Repairing Antenna Wires. Refer to GENERAL REPAIR INFORMATION .

Notes on Bluetooth Technology

A standardized radio connection is used to transfer data between the Information Electronics Control Module 1 -J794- and Cellular Telephone -R54- - Bluetooth Technology.

An additional transmitter/receiver unit is installed in the Information Electronics Control Module 1 -J794-. A separate Bluetooth Antenna -R152- connects the Information Electronics Control Module 1 -J794- and Telephone Baseplate -R126- /Cellular Telephone -R54-, so that the Cellular Telephone -R54- can be operated via wireless.

The range of the radio connection is approximately 10 m.

Notes on MOST Bus

The optical Data Bus "MOST Bus" is used in addition to the CAN Bus.

A fiber-optic cable is used. Fiber-optic cables are routed inside corrugated tubes for protection.

Replace the complete fiber-optic cable if possible.

The front surface of the connectors must not be contaminated.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps:VAS6223/9 .

Fig 2: Fiber-Optic Conductor Repair Set VAS 6223A

Courtesy of AUDI OF AMERICA, LLC

When routing fiber-optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink the fiber-optic cables.

Repairing fiber-optic cables. Refer to GENERAL REPAIR INFORMATION .