Overview - Infotainment System, MMI Navigation Plus, I8H

On the "MMI Navigation plus" Infotainment system, the following functions are integrated in the Information Electronics Control Module 1 -J794- :

• Information Electronics Control Module 1 -J794- with integrated DVD player/SD memory card reader/navigation system/HDD in the glove compartment, 7UG
• Multimedia System Control Head -E380- MMI touch in the center console, UJ1
• Front Information Display Control Head -J685-, 8.3 inch display in the center of the instrument panel
• Instrument Cluster Control Module -J285-, color display in the instrument cluster, 9S7
• External Audio Source Connection -R199- in the center console storage compartment, USB charging, AUX IN, UE4/UE7
• Sound systems: Basic Sound/Audi sound system, 8RM/9VD
• Radio -R- integrated in the Information Electronics Control Module 1 -J794-
• Video input for rearview camera system, KA2
• Bluetooth Hands-Free Calling, 9ZX
• Voice recognition system, QH1

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 QV3
• Digital Sound System Control Module -J525- on the left rear side of the luggage compartment, 9VS only
• Instrument Cluster -KX2-, "Audi virtual cockpit", 9S8
• External Audio Source Connection -R199- in center console storage compartment, USB (quantity: 2), AUX IN, ASI, UI2/UE7
• TV Tuner -R78- in the right rear of the luggage compartment, QU1/QV1
• Sound system: Premium Sound System Bang & Olufsen, 9VS
• Audi phone box, 9ZE
• Audi phone box/Audi connect, 9ZE/EL3
• Emergency call system, IW3/IW5
• Multifunction Steering Wheel

ASI - Audi Smartphone Interface

Courtesy of AUDI OF AMERICA, LLC

1. Roof Antenna -R216-
2. Rear Window Antenna with Antenna Amplifier
3. Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
4. Multimedia System Control Head -E380- in the Center Console
5. CAN Bus
6. Information Electronics Control Module 1 -J794- in the Glove Compartment
7. Telephone Baseplate -R126- /External Audio Source Connection -R199- in the Center Console Storage Compartment
8. MOST Bus
9. Bumper Antennas
10. Digital Sound System Control Module -J525- In Luggage Compartment on Left Rear Side
11. TV Tuner -R78- In the Right Rear of the Luggage Compartment
12. Microphone Unit In Front Roof Module -R164- in the Front Interior Lamp -W1-

The MOST bus performs the system data exchange in the CAN bus and MMI.

Fault Finding is performed using 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 the fiber-optic cables.

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