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Service Workshop Manual Audi TT 1999 ➤ Radio, telephone and navigation system, Self Protected by . Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability diagnosis with respect to the correctness of information in this document. by AUDI AG. Edition 10.2003 Service Department. Technical Information Service List of Workshop Manual Repair GroupsList of Workshop Manual Repair GroupsList of Workshop Manual Repair Groups Repair Group 01 Self diagnosis Protected by . Copying for private or commercial purposes, in part or in whole, is not permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability with respect to the correctness of information in this document. by AUDI AG. Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. . No reproduction without prior agreement from publisher. 2010 Audi AG, Ingolstadt A0057006920 Audi TT 1999 ➤ Radio, telephone and navigation system, Self diagnosis Edition 10.2003 Contents 01 Self diagnosis 1 1 Radio system self diagnosis 1 1.1 General 1 1.2 Safety precautions 1 1.3 Starting self diagnosis 2 1.4 Interrogating control unit version 3 1.5 Interrogating fault memory 4 1.6 Fault table 5 1.7 Erasing fault memory 9 1.8 End of output 9 1.9 Final control diagnosis 9 1.10 Encoding control unit 11 1.11 Reading measured value block 13 1.12 Adaption 18 2 Self diagnosis of pre fitted components for mobile phone installation 24 Protected by . Copying for private or commercial purposes, in part or in whole, is not 2.1 General 24 permitted unless authorised