Overview - Infotainment System, MMI Navigation Plus (I8H), Before Product Improvement

I8H - MMI Radio high, MMI Navigation plus

Information Electronics Control Module 1 -J794- with integrated CD Player/DVD player/SD card reader/navigation system in the glove compartment

• Internal hard drive memory (HDD) for storing navigation data and MP3 files
• Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
• Multimedia System Control Head -E380- in the center console, QW1
• Instrument Cluster Control Module -J285-, display in the instrument cluster, Audi virtual cockpit, 9S8
• DVD Changer -R161- in the luggage compartment on the left rear side, 6G2
• External Audio Source Connection -R199- in the center console storage compartment, 7A7/7D3
• Digital Sound System Control Module -J525- in the luggage compartment
• Sound systems: Audi sound system/premium sound system/advanced sound system, 9VD/9VS/8RF
• Radio integrated in the Information Electronics Control Module 1 -J794-
• Bluetooth interface, 9ZX
• Voice recognition system

Optional

• Digital radio integrated in the Information Electronics Control Module 1 -J794-, ER1/ER2/EZ1 and QV3.
• The satellite radio is integrated in the Information Electronics Control Module 1 -J794-, ER3 and QV3
• TV Tuner -R78- in the right rear of the luggage compartment, QU1/QV1
• Audi phone box light, 9ZV
• Audi phone box, 9ZE
• Emergency call system, IW1/IW3/IW5
• Multifunction Steering Wheel

Courtesy of AUDI OF AMERICA, LLC

1. Roof Antenna -R216-
2. Front Information Display Control Head -J685- in Center of the Instrument Panel
3. Multimedia System Control Head -E380- in the Center Console
4. Information Electronics Control Module 1 -J794- in the Glove Compartment
5. Telephone Baseplate -R126- /External Audio Source Connection -R199- in the Center Console Storage Compartment
6. MOST Bus
7. Digital Sound System Control Module -J525- in the luggage compartment
8. TV Tuner -R78- in the right rear of the luggage compartment
9. DVD Changer -R161- in the luggage compartment on the left rear side
10. 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 .

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 the connectors are disconnected: connect the Fiber-Optic Repair Set - Connector Protective Caps:VAS 6223/9  from the Fiber-Optic Repair Set:VAS 6223A  .

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.

Fiber-optic cable repair. Refer to FIBER-OPTIC CABLES, REPAIRING .