VW Self Study Program 870133 Vehicle Sensor Technology Physical Principles.pdf

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Service Training
Self Study Program 870133
Vehicle Sensor Technology
Physical Principles
Volkswagen Group of America, Inc.
Volkswagen Academy
Printed in U.S.A.
Printed 7/2013
Course Number SSP 870133
©2013 Volkswagen Group of America, Inc.
All rights reserved. All information contained in this manual
is based on the latest information available at the time of
printing and is subject to the copyright and other intellectual
property rights of Volkswagen Group 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 Volkswagen Group of
America, Inc.
Always check Technical Bulletins and the latest electronic
repair information 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.
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
What Is Motion? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
What Is Energy? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
What Is Matter? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
What Is Magnetism? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
What Are Electromagnetic Waves? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
What Is Sound? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
What Do U, I, R, and C Mean? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Knowledge Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Note
Important!
This Self-Study Program provides information
regarding the design and function of new
models.
This Self-Study Program is not a Repair Manual.
This information will not be updated.
For maintenance and repair procedures,
always refer to the latest electronic
service information.
iii
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Introduction
In automotive engineering, high standards of safety, operation, and comfort are leading to increasingly complex
vehicle control systems. These systems require a lot of information that must be supplied by sensors located
throughout the vehicle.
Although there are many different types of sensors in these systems, sensor function relies on just a few basic
physical principles and measurement processes.
This self-study program explains these physical principles and measurement processes in plain language, and
associates them with the different types of sensors.
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