Workshop Manuals Factory service & repair Audi
01 Running gear02 Body03 Power unit04 Power transmission05 Vehicle electrics06 Heating, ventilation, air conditioning system
Audi A4 Cabriolet Mk205 · Vehicle electrics
05 · General

General notes

Make
Audi
Model
A4 Cabriolet Mk2
Section
Infotainment › Telephone system › General notes
Vehicle electricsGeneral notes
General notes
General notes – Audi A4 Cabriolet Mk2   WARNING
Disconnect the battery earth cable before working on the electrical system.
On vehicles fitted with telematics system, activate the service mode for the telephone/telematics control unit -J526- before disconnecting battery -A- → Chapter.
When re-connecting battery -A-, always adhere to correct sequence for connecting and disconnecting battery -A- → Electrical System; Rep. Gr.27. Deactivate the service mode for telephone/telematics control unit -J526- → Chapter.
Telephone systems
t  Telephone (fixed installation)
t  Phone pre-installation
t  Pre-fitted components for mobile phone installation
This enables all mobile telephones -R152- approved by Audi with Bluetooth interface to be operated with the phone pre-installation with aerial for Bluetooth -R54-.
Notes on operation and approved types of mobile phones:
   www.audi.de/telefon
It is not possible to connect up other devices via Bluetooth, for example headset, laptop or PDA.
Fault finding is performed via the “Guided Fault Finding” → Vehicle diagnosis, testing and information system VAS 5051.
Aerial wire repairs → Electrical system; Rep. Gr.97.
CAN bus wire repairs → Electrical system; Rep. Gr.97.
   

Parts & tools for this job For Audi A4

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.