Overview - Infotainment System, MMI Radio Plus (I8E), Before Product Improvement

I8E - MMI Radio plus

• The Information Electronics Control Module 1 -J794- in the glove compartment contains the CD player/SD card reader.
• Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
• Multimedia System Control Head -E380- in the center console, QW1
• External Audio Source Connection -R199- in the center console storage compartment, AUX IN jack/USB charging
• Radio integrated in the Information Electronics Control Module 1 -J794-
• Sound System: Audi Sound System, 9VD
• Voice recognition system

Optional

• Digital radio integrated in the Information Electronics Control Module 1 -J794-, ER1/ER2 and QV3.
• The satellite radio is integrated in the Information Electronics Control Module 1 -J794-, ER3 and QV3
• 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
• Sound system: premium sound system, 9VS
• Digital Sound System Control Module -J525- in the luggage compartment
• Bluetooth interface, 9ZX
• Audi phone box, 9ZE

Courtesy of AUDI OF AMERICA, LLC

1. Front Information Display Control Head -J685- in Center of the Instrument Panel
2. Multimedia System Control Head -E380- in the Center Console
3. Information Electronics Control Module 1 -J794- in the Glove Compartment
4. External Audio Source Connection -R199- in the Center Console Storage Compartment
5. MOST Bus
6. Digital Sound System Control Module -J525- in the luggage compartment
7. DVD Changer -R161- in the luggage compartment on the left rear side
8. Antenna Amplifier inside the Rear Lid
9. Antenna -R11- /Radio Antenna 2 -R93- in Rear Window

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 .