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

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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-

Courtesy of AUDI OF AMERICA, LLC

Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
Multimedia System Control Head -E380- in the Center Console
Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-
Information Electronics Control Module 1 -J794- inside the Instrument Panel
Data Bus On Board Diagnostic Interface -J533- under the Rear Bench Seat
Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side

Antennas with Bluetooth Hands-Free Calling, 9ZX

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

Courtesy of AUDI OF AMERICA, LLC

Information Electronics Control Module 1 -J794-
Not Installed
Roof Antenna -R216-
Not Installed
Not Installed
Not Installed

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

Antenna wires, repairing. Refer to ANTENNA WIRES, REPAIRING .

Notes on Bluetooth Technology

A standardized radio connection system is used to transmit data between the Information Electronics Control Module 1 -J794- and Telephone Handset -R37- /Cellular Telephone -R54- - Bluetooth Technology.

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 :VAS6223/9 .

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 FIBER-OPTIC CABLE .