System, Overview

2012 Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB)SECTION System, Overview






System, Overview






1 Front Information Display Control Head (J685) in center of the instrument panel

2 Front Information Display Control Head Control Module (J523) , behind the instrument panel

3 Instrument Cluster Control Module (J285) in the instrument panel

4 Data Bus On Board Diagnostic Interface (J533) Behind the Glove Compartment On the Left Side

5 Radio (R) optional with Speech Input Control Module (J507) behind left luggage compartment side trim

6 Satellite Radio (R146) behind the left luggage compartment left side trim

7 Navigation System with CD Drive Control Module (J401) behind luggage compartment left side trim

8 Digital Sound System Control Module (J525) behind the luggage compartment left side trim

9 Telephone Transceiver (R36) under the front passenger seat

10 Multifunction Steering Wheel

11 External Audio Source Connection (R199) in the glove compartment

12 CD Changer (R41) Inside the Instrument Panel

13 Steering Column Electronics Control Module (J527) on steering column at steering column switch

14 Multimedia Control Head (E380) in the center console

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.