Overview - Infotainment System, MMI Navigation Plus, I8H

• Information Electronics Control Module 1 -J794- with integrated DVD player/SD memory card reader/navigation system in the glove compartment
• Internal hard drive memory (HDD) for storing navigation data and MP3 files
• Multimedia System Control Head -E380- in the center console, UJ0/UJ1
• Instrument Cluster Control Module -J285-, Display
• External Audio Source Connection -R199- in the center console storage compartment, UE3/UE7
• Sound system: Standard/Bang & Olufsen, 9VD/9VS
• Digital Sound System Control Module -J525- under the left front seat, only 9VS
• Radio -R- integrated in the Information Electronics Control Module 1 -J794-, I8H
• Bluetooth interface, 9ZX

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
• Audi phone box, 9ZE
• Audi phone box/connect, 9ZE/EL3
• TV Tuner -R78- in the left rear of the luggage compartment, only Europe/Rest of World and QU1/QV1
• Voice recognition system, QH1
• Multifunction Steering Wheel

Courtesy of AUDI OF AMERICA, LLC

1. Roof Antenna -R216-
2. Instrument Cluster Control Module -J285-, Display
3. Rear Window Antenna/Windshield Antenna
4. Bumper Antennas
5. Information Electronics Control Module 1 -J794- in the Glove Compartment
6. Multimedia System Control Head -E380- in the Center Console
7. Sound Systems
8. MOST Bus
9. Digital Sound System Control Module -J525- under the Left Front Seat, only 9VS
10. TV Tuner -R78- behind the Right Luggage Compartment Trim Panel, only Europe/Rest of World
11. Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-
12. External Audio Source Connection -R199- in the Center Console Storage Compartment

The MOST Bus performs the system data exchange in the MMI.

The connection to other vehicle systems takes place via the Infotainment CAN Bus and the Data Bus On Board Diagnostic Interface -J533-.

Fault finding is performed via the "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. 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 Fiber-Optic Repair Set - Connector Protective Caps: VAS6223/9  .

Fig 1: Fiber-Optic Conductor Repair Set VAS 6223A

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 fiber-optic cables.

Repairing fiber-optic cables. Refer to GENERAL REPAIR INFORMATION .