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Overview - Infotainment System

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MMI Infotainment is available in the following equipment levels:

MMI Minimum Equipment

Fig 1: MMI Minimum Equipment Overview
GWWA91-11189Courtesy of AUDI OF AMERICA, LLC
  1. Front Information Display Control Head -J685- in center of the instrument panel
  2. Information Electronics Control Module 1 -J794- inside the instrument panel
  3. Multimedia System Control Head -E380- in the center console
  4. MOST Bus
  5. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  6. Radio -R- behind the left luggage compartment trim panel
  7. Digital Sound System Control Module -J525- behind the left luggage compartment trim panel
  8. CD Changer -R41- in glove compartment
  9. External Audio Source Connection -R199- (AUX IN jack) in the center console storage compartment

MMI maximum equipment

Fig 2: Identifying MMI, From 1 June 2009
GWWA91-10018Courtesy of AUDI OF AMERICA, LLC
  1. Multimedia System Control Head -E380- in the center console
  2. Roof Antenna -R216- (GPS Antenna -R50-)
  3. Front Information Display Control Head -J685- in center of the instrument panel
  4. Roof Antenna -R216- (Telephone Antenna -R65-)
  5. Microphone Unit in Front Roof Module -R164- (Left Front Microphone -R140-) in the Front Interior Lamp -W1-
  6. Telephone Baseplate -R126- inside the center console storage compartment
  7. Information Electronics Control Module 1 -J794- inside the instrument panel
  8. MOST Bus
  9. CVBS cable
  10. CD Changer -R41- in glove compartment
  11. TV Tuner -R78- behind the left luggage compartment trim panel
  12. External Audio Source Connection -R199- (AUX IN jack) in the center console storage compartment
  13. Radio -R- behind the left luggage compartment trim panel
  14. Digital Sound System Control Module -J525- behind the left luggage compartment trim panel
  15. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  16. Microphone Unit in Front Roof Module -R164- (Right Front Microphone -R141-) 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-.

Perform the Fault Finding with the Vehicle Diagnostic Tester.

Information Electronics Control Module 1 -J794- (MMI) Overview

Information Electronics Control Module 1 -J794- is a 3rd generation MMI. Depending on the equipment level, the Information Electronics Control Module 1 -J794- contains the following known control modules from the 2nd generation:

Fig 3: Identifying Information Electronics Control Module 1 -J794- MMI Overview
GWWA91-11271Courtesy of AUDI OF AMERICA, LLC
  1. Front Information Display Control Head Control Module -J523-
  2. CD Player -R89-
  3. Navigation System with CD Drive Control Module -J401-
  4. Telephone Card Reader -R115- /SD card reader
  5. Speech Input Control Module -J507-
  6. Telephone Transceiver -R36- (Bluetooth car phone)
  7. Telephone Transceiver -R36- (cell phone preparation)

    - Bluetooth hands-free equipment

  8. internal hard drive disc storage (HDD)
  9. Information Electronics Control Module 1 -J794-

Radio -R- Overview, MMI

Depending on the equipment level, the Radio -R- contains the following known 2nd generation control modules:

Fig 4: Identifying Radio -R- MMI Overview
GWWA91-11299Courtesy of AUDI OF AMERICA, LLC
  1. Digital Sound System Control Module -J525-
  2. Radio -R-
  3. Radio -R- AM/FM-Tuner
  4. Satellite Radio -R146- (only USA)
  5. Digital Radio -R147- (only Europa)

MOST Bus overview

Fig 5: Identifying MOST Bus MMI
GWWA91-11300Courtesy of AUDI OF AMERICA, LLC
  1. Front Information Display Control Head -J685-
  2. Information Electronics Control Module 1 -J794-
  3. MOST Bus
  4. CD Changer -R41-
  5. TV Tuner -R78-
  6. Radio -R-
  7. Digital Sound System Control Module -J525-
  8. Data Bus On Board Diagnostic Interface -J533-
  9. Multimedia System Control Head -E380-

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.

Make sure that the face surfaces of the connectors do not become soiled.

If disconnecting the connectors: Attach Fiber-Optic Repair Set - Connector Protective CapsVAS6223/9.

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 .

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