Overview - Sound System, Premium Sound System, 9VS

The premium sound system (9VS) consists of the following components:

• One speaker on the left and right side of the instrument panel
• Two speakers in the center of the instrument panel
• One speaker in the left and right A-pillars
• Two speakers in the left and right front doors, RX2/RX3
• One speaker in the left and right B-pillars
• One loud speaker in the left and right rear doors
• One speaker in the left and right D-pillars
• Subwoofer -R211- in the luggage compartment floor
• Digital Sound System Control Module -J525- behind the rear seat backrest

Courtesy of AUDI OF AMERICA, LLC

1. Left Front Midrange Speaker 2 -R276- in Left A-Pillar
2. Left Front Door Speaker -RX2- in Left Front Door
3. Left Front Midrange Speaker -R103- in Left Front Door
4. Left Front Bass Speaker -R21- in Left Front Door
5. Left Rear Treble Speaker -R14- in the Left B-Pillar
6. Left Rear Bass Speaker -R15- in Left Rear Door
7. Left Effects Speaker -R209- in Left D-Pillar
8. Left Front Treble Speaker -R20- in the Instrument Panel on the Left Side
9. Center Speaker -R208- in the Center Instrument Panel
10. Center Speaker 2 -R219- in the Center of the Instrument Panel
11. Subwoofer -R211- in the Luggage Compartment Floor
12. Right Front Treble Speaker -R22- in Instrument Panel on the Right Side
13. Right Effects Speaker -R210- in Right D-Pillar
14. Right Rear Bass Speaker -R17- in Right Rear Door
15. Right Rear Treble Speaker -R16- in the Right B-Pillar
16. Right Front Door Speaker -RX3- in Right Front Door
17. Right Front Bass Speaker -R23- in Right Front Door
18. Right Front Midrange Speaker -R104- in Right Front Door
19. Right Front Midrange Speaker 2 -R277- in Right A-Pillar
20. Interior Microphone -R74-, Microphone Unit in Front Roof Module -R164- in the Front Roof Module -WX3-
21. Digital Sound System Control Module -J525- Behind the Rear Seat Backrest
22. MOST Bus

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 surfaces of the connectors must not get dirty.

If disconnecting the connectors: Attach the Fiber-Optic Repair Set - Connector Protective Caps: VAS6223/9  .

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.

Repairing fiber optic cables. Refer to FIBER-OPTIC CABLES, REPAIRING .