Overview - Infotainment System, MMI Navigation, 7T2

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7T2 - MMI Navigation

Information Electronics Control Module 1 -J794- with CD player/SD card reader/navigation system 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
CD Changer -R41- in glove compartment, 7A2
External Audio Source Connection -R199- in the center console, UF7
Digital Sound System Control Module -J525- in the luggage compartment on the left rear side
Sound systems: Standard/BOSE, 9VD/8RY
Radio -R- integrated in the Information Electronics Control Module 1 -J794-, 8DP
Bluetooth Hands-Free Calling, 9ZX
Voice recognition system, QH1

Optional

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
Cell phone preparation, 9ZF
Multifunction Steering Wheel

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
Information Electronics Control Module 1 -J794- inside the instrument panel
External Audio Source Connection -R199- in the center console
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
MOST Bus
CD Changer -R41- in 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 .