Overview - Navigation 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/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
• 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- integrated in the Information Electronics Control Module 1 -J794-, I8H
• TV Tuner -R78- in the left rear of the luggage compartment, 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 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

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-

Fault Finding is performed using the "Guided Fault Finding"  on the 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 CABLES, REPAIRING .