LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Communication System (Service Information)) >> Communication >> Navigation System >> Overview - Navigation System >> Overview - Navigation System, MMI Navigation, 7T2
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Overview - Navigation System, MMI Navigation, 7T2

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2018 Audi A7 Quattro, 2017 Audi S7, and 2017 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

7T2 - MMI Navigation 

Optional 

GWWA91-11728Courtesy of AUDI OF AMERICA, LLC
  1. Roof Antenna -R216-
  2. Front Information Display Control Head -J685-, Display in Center of the Instrument Panel
  3. Multimedia System Control Head -E380- in the Center Console
  4. Information Electronics Control Module 1 -J794- Inside the Instrument Panel
  5. External Audio Source Connection -R199- in the Center Console
  6. Data Bus On Board Diagnostic Interface -J533- Under the Rear Bench Seat
  7. Digital Sound System Control Module -J525- in Luggage Compartment on Left Rear Side
  8. MOST Bus
  9. CD Changer -R41- in Glove Compartment
  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 --.

Antenna wires, repairing. Refer to ANTENNA WIRES, REPAIRING .

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 the complete fiber-optic cable if possible.

The front surface of the connectors must not be contaminated.

If disconnecting the connectors: Attach the :VAS6223/9  .

GWWW00-11495Courtesy 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 FIBER-OPTIC CABLES, REPAIRING .