GMC MDI User manual

2007 MDI User’s Guide Section I – i
I. Introduction
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MDI User’s Guide
The Multiple Diagnostic Interface User’s Guide provides an overview of the MDI tool.
Everything contained in this manual is based on the latest product information available at the time of publication. The right is
reserved to make changes at any time without notice.
No part of this publication may be reproduced, stored in any retrieval system, or transmitted in any form by any means,
including but not limited to electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission
of GM Service and Parts Operations. This includes all text, tables, illustrations, and charts.
Requests for permission should be sent to:
General Motors Corporation
Service and Parts Operations
Product Engineering
37350 Ecorse Road
Romulus, MI 48174-1376
U.S.A.
© 2007 GM Service and Parts Operations. Made in the U.S.A. All rights reserved.
® MDI is a registered trademark of General Motors Corporation.
Service and Parts Operations
GM

2007 MDI User’s Guide Section I – ii
I. Introduction
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FCC Compliance
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the
FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the
instruction manual, it may cause harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference, in which case the user will be required to correct the interference at his or her
own expense.
VDE Certication (for European Use)
This equipment complies with the requirements of VDE 0871/6.78. Improper use or maintenance neglect may cause
unacceptable radio or TV interference.
Using This Manual
To increase their effectiveness with the MDI, users should familiarize themselves with the format and information contained
in this guide.
If you are reading this guide online, note that the gures and illustrations are hyperlinked to the text. To view
a gure, simply click on its reference, which is shown in blue text. After viewing the gure, click on the back
button of your viewing software to return to your place in the manual.
NOTE

2007 MDI User’s Guide Section I – iii
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Foreword
The Multiple Diagnostic Interface and host computer applications are designed for use by trained service personnel to
diagnose and repair automotive electronic systems. Every attempt has been made to provide complete and accurate
technical information based on factory service information available at the time of publication. However, the right is reserved
to make changes at any time without notice.
To familiarize yourself with the Multiple Diagnostic Interface and host computer applications and their capabilities, and how to
use them, please read through the User’s Guides before putting the MDI to work.
The Multiple Diagnostic Interface and host computer applications provide the following capabilities:
• Data transfer and Electronic Control Unit (ECU) reprogramming
• Shop network communications (LAN and WLAN)
• Future expandability, including diagnostic applications
Location of Vehicle ECUs and Test Connectors
For the location of vehicle Electronic Control Units (ECUs) and Data Link Connectors (DLCs), refer to the Service Information
for the vehicle being tested.
I. Introduction

2007 MDI User’s Guide Section I – iv
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Customer Support Overview
To obtain assistance with a question or problem concerning the operation of your GM-Techline product and its attached
products, or to arrange for warranty and non-warranty repairs, telephone your local Customer Support Center. To order
replacement parts, contact GM Dealer Equipment.
Before Calling
Before making a call to your local Customer Support Center or GM Dealer Equipment, be sure to have the following
information ready:
• Dealership name, address and dealer code number
• Serial number of MDI
• Name, part number, and quantity of the item to be requested
• Telephone number where the technician may be reached.
Prepare a brief description of the problem:
• Tell when the problem occurred
• List any error codes displayed
• Tell what accessories were being used when the problem occurred, and vehicle information
Customer Support Overview continued on next page…
I. Introduction