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Home >> Audi >> 2012 >> S4 Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1493 (Communication) >> 91 Communication >> Radio/Navigation System "RNS 850" >> Radio Navigation System "RNS 850", System Overviews >> Radio Navigation System "RNS 850" Premium, System Overview
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Radio Navigation System "RNS 850" Premium, System Overview

WARNING: This page is about a different car, the 2017 Volkswagen Touareg, 2016 Volkswagen Touareg, and 2015 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Radio Navigation System "Rns 850" Premium
GWWN91-11362Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. CAN bus DDP
  2. Instrument Cluster Control Module -J285-
  3. Lin 1 - Bus
  4. External Audio Source Connection -R199-
  5. Emergency Call Button -E276-
  6. Front Information Display Control Head -J685-
  7. Rearview Camera System Control Module -J772- /Peripheral Camera Control Module -J928-
  8. Left Front Speaker Group
  9. Left Rear Speaker Group
  10. Center Mid-Treble Speaker -R158-
  11. Right Rear Speaker Group
  12. Right Front Speaker Group
  13. TV Tuner -R78-
  14. AV Signal Input or AUX Signal Input
  15. Radio -R-
  16. Digital Sound System Control Module -J525-
  17. Interior Microphone -R74- for Noise Compensation Measurement
  18. FBAS, Data Wire from the TV Tuner to the DVD Changer
  19. DVD Changer -R161-
  20. Right Front Microphone -R141- for the Telephone
    • Installed in the right roof console
  21. Left Front Microphone -R140- for the Telephone
    • Installed in the left roof console
  22. Telephone Signal Input
  23. AUX Signal Input
  24. Multifunction Steering Wheel with Right Multifunction Buttons on Steering Wheel -E441- or Left Multifunction Buttons on Steering Wheel -E440-
  25. Steering Column Electronics Control Module -J527-
  26. CAN bus BAP
  27. Data Bus On Board Diagnostic Interface -J533-
  28. MOST Bus, Fiber-Optic Cable
  29. Information Electronics Control Module 1 -J794-

Antenna system overview. Refer to OVERVIEW - ANTENNA SYSTEM, "RNS 850" RADIO/NAVIGATION SYSTEM