Overview - Navigation System, MMI Navigation, 7T2

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The navigation system is a component of the Information Electronics Control Module 1 -J794- in the instrument panel.

Operation is performed via the Multimedia System Control Head -E380-.

The navigation data is stored on the SD card for navigation.

7T2 - MMI Navigation

Information Electronics Control Module 1 -J794- with CD player/SD card reader/navigation system integrated in the instrument panel

Radio -R- integrated in the Information Electronics Control Module 1 -J794-, 8DP
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
Bluetooth Hands-Free Calling, 9ZX
Voice recognition system, QH1

Optional

Cell phone preparation, 9ZF
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

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-

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

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

Notes on MOST bus

The optical data bus "MOST bus" is used in addition to the CAN bus.

A fiber-optic cable is used as a "connecting cable". 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 .