Overview - Infotainment System, MMI Navigation Plus, 7T6, Through My 2014

7T6 - MMI Navigation plus 

• 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, 6G0
• 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/Bang & Olufsen, 9VD/8RY/8RF
• Radio -R- in the luggage compartment on the left rear side, 8YQ
• TV Tuner -R78- in the luggage compartment on the left rear side, QU6/QU7
• Bluetooth Hands-Free Calling, 9ZX
• Voice recognition system, QH1

Optional 

• Digital Radio -R147- integrated in the Radio -R-, only Europe/Rest of World and QV3
• Radio System, Satellite -R146- integrated in the Radio -R-, only USA and QV8
• Bluetooth car phone, 9ZW
• Multifunction Steering Wheel

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1. Roof Antenna -R216-
2. Front Information Display Control Head -J685-, display in center of the instrument panel
3. Multimedia System Control Head -E380- in the Center Console
4. Information Electronics Control Module 1 -J794- inside the instrument panel
5. Telephone Baseplate -R126- /External Audio Source Connection -R199- in the Center Console Storage Compartment
6. MOST Bus
7. Data Bus On Board Diagnostic Interface -J533- under the Rear Bench Seat
8. Digital Sound System Control Module -J525- in luggage compartment on left rear side
9. Radio -R- in the luggage compartment on the left rear side
10. CVBS cable
11. TV Tuner -R78- on the left side of the luggage compartment in the rear
12. DVD Changer -R161- in the glove compartment
13. 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  .

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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 .