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A8L Electrical Components SSP Self Study Program Course Number 999303 Audi of America, Inc. Service Training Printed in U.S.A. Printed 03/2003 Course Number 998303 2003 Audi of America, Inc. . All information contained in this manual is based on the latest information available at the time of printing and is subject to the and other intellectual property rights of Audi of America, Inc., its affiliated companies and its licensors. All rights are reserved to make changes at any time without notice. No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, nor may these materials be modified or reposted to other sites without the prior expressed written permission of the publisher. All requests for permission to copy and redistribute information should be referred to Audi of America, Inc. Always check Technical Bulletins and the Audi Worldwide Repair Information System for information that may supersede any information included in this booklet. Trademarks All brand names and product names used in this manual are trade names, service marks, trademarks, or registered trademarks; and are the property of their respective owners. Table of Contents Introduction 1 Bus Arrangement CAN Connectors 4 Drive System CAN/Convenience CAN Connectors, Star Connection, Test Box, Data Bus On Board Diagnostic Interface Versions, Data Exchange, Master Functions, Diagnosis Data Bus Diagnostic Interface J533 . 8 On Board Diagnostic Interface Versions, Block Diagram, Data Exchange, Master Functions, Diagnosis, Control Element Test, Gateway Installation List, Encoding Energy Management . 15 Block Diagram, System Layout, Function Modules, Function Module Action, Battery Manager, Battery Status Display, MMI Displays, Charge Warning Lamp Alternator Lamp , Closed Circuit