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This edition of Understanding Automotive Electronics covers the most recent technological advances in operation and troubleshooting of electronic systems and components. This is a practical text, suitable for the automotive technician, student or enthusiast. It includes low-emission standards, on-board diagnostics and communications, digital instrumentation, and digital engine control. In today's cars, the electronics systems are more complex than simple electrical wiring; they now affect almost every operating aspect of the automobile. The basis for understanding the functions of automotive electronics systems and subsystems is a good grasp of mechanical auto operation. Extensive revision of a popular text Covers ultra-low emission vehicle regulations Reviews basic automotive and electronic systems
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2735 | FM Page i Tuesday, March 10, 1998 10:49 AM Understanding Automotive Electronics 2735 | FM Page ii Tuesday, March 10, 1998 10:49 AM 2735 | FM Page iii Tuesday, March 10, 1998 10:49 AM Understanding Automotive Electronics Fifth Edition By: With Contributions to Previous Editions by: William B. Ribbens, Ph.D. Norman P. Mansour Gerald Luecke Charles W. Battle Edward C. Jones Leslie E. Mansir Newnes Boston, Oxford, Johannesburg, Melbourne, New Delhi, Singapore 2735 | FM Page iv Tuesday, March 10, 1998 10:49 AM Newnes is an imprint of Butterworth–Heinemann. Copyright © 1998 by Butterworth–Heinemann A member of the Reed Elsevier group All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Recognizing the importance of preserving what has been written, Butterworth– Heinemann prints its books on acid-free paper whenever possible. Butterworth–Heinemann supports the efforts of American Forests and the Global ReLeaf program in its campaign for the betterment of trees, forests, and our environment. ISBN 0-7506-7008-8 The publisher offers special discounts on bulk orders of this book. For information, please contact: Manager of Special Sales Butterworth–Heinemann 225 Wildwood Avenue Woburn, MA 01801–2041 Tel: 781-904-2500 Fax: 781-904-2620 For information on all Butterworth–Heinemann publications available, contact our World Wide Web home page at: http://www.bh.com/newnes 10 9 8 7 6 5 4 3 2 1 Printed in the United States of America 2735 | FM Page v Tuesday, March 10, 1998 10:49 AM To Katherine 2735 | FM Page vi Tuesday, March 10, 1998 10:49 AM 2735 | FM Page vii Tuesday, March 10, 1998 10:49 AM Contents Preface........................................................................................ ix Chapter 1 Automotive Fundamentals......................................................... 1 Quiz.......................................................................................... 27 Chapter 2 The Systems Approach to Control and Instrumentation............29 Quiz.......................................................................................... 69 Chapter 3 Electronics Fundamentals.......................................................... 71 Quiz.......................................................................................... 96 Chapter 4 Microcomputer Instrumentation and Control........................... 99 Quiz........................................................................................ 144 Chapter 5 The Basics of Electronic Engine Control................................. 147 Quiz........................................................................................ 183 Chapter 6 Sensors and Actuators..................................................