Overview - Sound System, Advanced Sound System (8RF), Before Product Improvement

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The Advanced Sound System consists of the following components:

Two speakers in the left and right A-pillars
Two speakers in the left and right front doors
One retractable 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 B-pillars
Two speakers in the left and right rear doors
Two speakers in the right and left rear of the roof
Subwoofer -R211- in the luggage compartment
Digital Sound System Control Module -J525- in the luggage compartment or behind the left rear bench seat on the crossmember

Courtesy of AUDI OF AMERICA, LLC

Left Front Treble Speaker 2 -R220- in the left A-pillar at the top
Left Front Midrange Speaker 2 -R276- at the top of the left A-pillar (at height of the exterior rearview mirror)
Left Front Bass Speaker -R21- in the Bottom of the Left Front Door
Left Front Midrange Speaker -R103- at the bottom of the left front door
Left Rear Treble Speaker -R14- in Left B-Pillar
Left Rear Bass Speaker -R15- in the Bottom of the Left Rear Door
Left Rear Midrange Speaker -R105- in left rear door at top
Left Effects Speaker -R209- at the left rear in the roof
Left Rear Treble Speaker 2 -R217- in the left rear of the roof
Left Front Treble Speaker -R20- in the Instrument Panel on the Left Side
Left Front Treble Speaker Motor -V344-
Center Speaker -R208- in the Center Instrument Panel
Center Speaker 2 -R219- in the Center of the Instrument Panel
Right Front Treble Speaker -R22- in Instrument Panel on the Right Side
Right Front Treble Speaker Motor -V345-
Subwoofer -R211- in the luggage compartment
Right Rear Treble Speaker 2 -R218- at the right rear in the roof
Right Effects Speaker -R210- in the right rear of the roof
Right Rear Midrange Speaker -R106- in Right Rear Door at Top
Right Rear Bass Speaker -R17- in the Bottom of the Right Rear Door
Right Rear Treble Speaker -R16- in Right B-pillar
Right Front Midrange Speaker -R104- in Center of Right Front Door
Right Front Bass Speaker -R23- in the Bottom of the Right Front Door
Right Front Midrange Speaker 2 -R277- in the right A-pillar at the top (at height level of exterior rearview mirror)
Right Front Treble Speaker 2 -R221- at the top of the right A-pillar
Interior Microphone -R74- in Front Roof Module -WX3-
Digital Sound System Control Module -J525- in the luggage compartment or behind the left rear bench seat on the crossmember
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 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 fiber optic cables.

Fiber-optic cable repair. Refer to FIBER-OPTIC CABLES, REPAIRING .