Overview - Radio System, MMI Navigation Plus, I8H, From My 2015

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Information Electronics Control Module 1 -J794- with CD player/DVD Player/SD card reader/navigation system/HDD integrated in the instrument panel
Front Information Display Control Head -J685-, display in center of the instrument panel
Multimedia System Control Head -E380- in the center console, QW1
DVD Changer -R161- in the glove compartment, 6G2
External Audio Source Connection -R199- in the center console storage compartment, UI2
Digital Sound System Control Module -J525- in the luggage compartment on the left rear side
Sound systems: Standard/BOSE/Bang & Olufsen, 9VD/8RY/8RF
The Radio -R- is integrated in the Information Electronics Control Module 1 -J794-
Video input for rearview camera system, KA2

Optional

TV Tuner -R78- in the left rear of the luggage compartment, QU1/QV1
Bluetooth Hands-Free Calling, 9ZX
Audi connect with Bluetooth car phone, 9ZK
Audi phone box and Audi connect, 9ZC
Audi phone box, 9ZE
Digital Radio -R147- integrated in the Information Electronics Control Module 1 -J794-, only Europe/Rest of World and QV3
Radio System, Satellite -R146- integrated in the Information Electronics Control Module 1 -J794-, only USA and QV8
Voice recognition system, QH1

Courtesy of AUDI OF AMERICA, LLC

Roof Antenna -R216-
Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
Multimedia System Control Head -E380- in the Center Console
Telephone Baseplate -R126- /External Audio Source Connection -R199- in the Center Console Storage Compartment
Information Electronics Control Module 1 -J794- inside the Instrument Panel
MOST Bus
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
TV Tuner -R78- on the Left Side of the Luggage Compartment in the Rear
DVD Changer -R161- in the Glove Compartment
Left Front Microphone -R140-, Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-

The MOST bus performs the system data exchange in the MMI.

The connection to the other Data bus systems in the vehicle are provided by the Data Bus on Board Diagnostic Interface -J533-.

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

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 .