Overview - Infotainment System, MMI Navigation Plus, 7UG, From My 2015

7UG - MMI Navigation Plus 

• Information Electronics Control Module 1 -J794- with CD player/DVD 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
• Radio -R- integrated in the Information Electronics Control Module 1 -J794-, I8H
• 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
• TV Tuner -R78- in the luggage compartment on the left rear side, QU1/QV1
• Video input for rearview camera system, KA2
• Bluetooth Hands-Free Calling, 9ZX
• Voice recognition system, QH1

Optional 

• Audi connect with Bluetooth car phone, 9ZK
• Audi phone box, 9ZE
• Audi phone box and Audi connect, 9ZC
• Digital Radio -R147- integrated in the Information Electronics Control Module 1 -J794-, only Europe/Rest of World and QV3
• Satellite Radio -R146- integrated in the Information Electronics Control Module 1 -J794-, only USA and QV8

Courtesy of AUDI OF AMERICA, LLC

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. Telephone Baseplate -R126- /External Audio Source Connection -R199- in the Center Console Storage Compartment
5. Information Electronics Control Module 1 -J794- Inside the Instrument Panel
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. TV Tuner -R78- on the Left Side of the Luggage Compartment in the Rear
10. DVD Changer -R161- in the Glove Compartment
11. 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 via "Guided Fault Finding"  on the 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 as a "connecting cable". Fiber optic cables are routed inside corrugated tubes for protection.

Replace complete fiber optic cable if possible.

The front surface of the connectors must not be dirty.

If disconnecting the connectors: Attach :VAS6223/9  .

Courtesy of AUDI OF AMERICA, LLC

When installing fiber optic cables, make sure not to go below the minimum bending radius of 25 mm. Do not crush or kink fiber optic cables.

Repairing fiber optic cables. Refer to FIBER-OPTIC CABLES, REPAIRING .