Overview - Radio, MMI Radio, 8DN
WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
8DN -MMI Radio, RMC Radio basic
- Information Electronics Control Module 1 -J794- in the instrument panel holds the CD player
- Radio -R- integrated in the Information Electronics Control Module 1 -J794-
- Front Information Display Control Head -J685- (display) in center of the instrument panel
- Multimedia System Control Head -E380- in the center console, QW1
- Sound systems: basic/Standard (8RX/9VD)
Optional
- CD Changer -R41- in glove compartment, 7A2
- Antenna -R11- /Radio Antenna 2 -R93- in the rear window
- Front Information Display Control Head -J685- in the instrument panel
- Information Electronics Control Module 1 -J794- inside the instrument panel
- Multimedia System Control Head -E380- in the center console
- Data Bus On Board Diagnostic Interface -J533- under the rear bench seat
- MOST bus
- CD Changer -R41- in glove compartment
- Sound systems: Basic/Standard
- Antenna amplifier inside the rear lid
Fault finding is performed via "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 as a "connecting cable". Fiber optic cables are routed inside corrugated tubes for protection.
Replace complete fiber optic cable if possible.
The front surface of the connectors must not be dirty.
If disconnecting the connectors: Attach Fiber-Optic Repair Set - Connector Protective Caps VAS 6223/9.
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 CABLE .