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Home >> Audi >> 2014 >> A4 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Communication (Sedan) >> 91 Communication >> Navigation System >> Overview - Navigation System >> Navigation System Assembly, From 11/03/2008

Navigation System Assembly, From 11/03/2008

The navigation system is a component of the Information Electronics Control Module 1 -J794- in the instrument panel.

Operation is performed via the Multimedia System Control Head -E380-.

Navigation data is stored on an internal hard drive disc (HDD) on the MMI with maximum features.

MMI Minimum Equipment

Fig 1: Identifying MMI Navigation Minimal Equipment (From 1 June 2009)
GWWA91-11175Courtesy of AUDI OF AMERICA, LLC
  1. Radio/Telephone/Navigation System Antenna -R52-
  2. Front Information Display Control Head -J685- in Center of the Instrument Panel
  3. Information Electronics Control Module 1 -J794- Inside the Instrument Panel
  4. Multimedia System Control Head -E380- in the Front of the Center Console
  5. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  6. MOST Bus
  7. Radio -R- Behind the Left Luggage Compartment Side Trim Panel
  8. Digital Sound System Control Module -J525- Behind the Luggage Compartment Left Side Trim
  9. CD Changer -R41- in Glove Compartment
  10. External Audio Source Connection -R199- in the Glove Compartment, Interface

MMI Maximum Equipment

Fig 2: Identifying MMI Navigation, Maximum Equipment (From 1 June 2009)
GWWA91-11216Courtesy of AUDI OF AMERICA, LLC
  1. Radio/Telephone/Navigation System Antenna -R52-
  2. Front Information Display Control Head -J685- in Center of the Instrument Panel
  3. Information Electronics Control Module 1 -J794- Inside the Instrument Panel
  4. Multimedia System Control Head -E380- in the Front of the Center Console
  5. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  6. Steering Column Electronics Control Module -J527- on Steering Column at Steering Column Switch
  7. Multifunction Steering Wheel
  8. Instrument Cluster Control Module -J285- in the Instrument Panel
  9. Digital Sound System Control Module -J525- Behind the Luggage Compartment Left Side Trim
  10. Radio -R- Behind the Left Luggage Compartment Side Trim Panel
  11. Microphone Unit in Front Roof Module -R164- (Right Front Microphone -R141-) in the Front Interior Lamp -W1-

Fault finding is performed via "Guided Fault Finding  " see Vehicle Diagnostic Tester.