Connection Diagram - Pneumatic System, Comfort Seats

Fig 1: Connection Diagram - Pneumatic System, Comfort Seats

Courtesy of AUDI OF AMERICA, LLC

1. Pneumatic System Compressor
   • Driver Multi-Contour Seat Compressor - V439-, Front Passenger Multi-Contour Seat Compressor - V440-
2. Seat Bolster Inflation Adjuster
   • Right
3. Seat Bolster Inflation Adjuster
   • Left
4. Backrest Bolster Inflation Adjuster
   • Left
5. Lumbar Support Valve Block
   • For lumbar support and bolster adjuster
     • Valve Block 2 in Driver Seat - N476-, Valve Block 2 in Front Passenger Seat - N478-
6. Pneumatic Lumbar Support
   • Module with Air Cushions for Lumbar Support
7. Backrest Bolster Inflation Adjuster
   • Right
8. Massage Function Valve Block
   • Equipped on some models
     • Valve Block 1 in Driver Seat - N475-, Valve Block 1 in Front Passenger Seat - N477-
9. Massage Mat
   • Equipped on some models
   • In the cushion