VolkswagenAudiVehicleCommunicationSoftwareManual_EAZ0031B01D.pdf

Volkswagen/Audi

Vehicle Communication

Software Manual

August 2009

EAZ0031B01D Rev. A

Trademarks Acknowledgements

Snap-on, Scanner, MODIS, and SOLUS are trademarks of Snap-on Incorporated.

All other marks are trademarks of their respective holders.

Disclaimer

The information, specifications and illustrations in this manual are based on the latest information available at the

time of printing.

Snap-on reserves the right to make changes at any time without notice.

For Technical Assistance Call:

1-800-332-2526 (US only)

1-800-424-7226 (North America)

Safety Information

For your own safety and the safety of others, and to prevent damage to the equipment and

vehicles upon which it is used, it is important that the accompanying Safety Information be read

and understood by all persons operating, or coming into contact with, the equipment. We suggest

you store a copy near the unit in sight of the operator

This product is intended for use by properly trained and skilled professional automotive

technicians. The safety messages presented throughout this manual are reminders to the

operator to exercise extreme care when using this test instrument.

There are many variations in procedures, techniques, tools, and parts for servicing vehicles, as

well as in the skill of the individual doing the work. Because of the vast number of test applications

and variations in the products that can be tested with this instrument, we cannot possibly

anticipate or provide advice or safety messages to cover every situation. It is the automotive

technician’s responsibility to be knowledgeable of the system being tested. It is essential to use

proper service methods and test procedures. It is important to perform tests in an appropriate and

acceptable manner that does not endanger your safety, the safety of others in the work area, the

equipment being used, or the vehicle being tested.

It is assumed that the operator has a thorough understanding of vehicle systems before using this

product. Understanding of these system principles and operating theories is necessary for

competent, safe and accurate use of this instrument.

Before using the equipment, always refer to and follow the safety messages and applicable test

procedures provided by the manufacturer of the vehicle or equipment being tested. Use the

equipment only as described in this manual.

Read, understand and follow all safety messages and instructions in this manual, the

accompanying safety manual, and on the test equipment.

Safety Message Conventions

Safety messages are provided to help prevent personal injury and equipment damage. All safety

messages are introduced by a signal word indicating the hazard level.

! DANGER

Indicates an imminently hazardous situation which, if not avoided, will result in death or serious

injury to the operator or to bystanders.

! WARNING

Indicates a potentially hazardous situation which, if not avoided, could result in death or serious

injury to the operator or to bystanders.

! CAUTION

Indicates a potentially hazardous situation which, if not avoided, may result in moderate or minor

injury to the operator or to bystanders.

iii

Safety Information

Important Safety Instructions

Safety messages contain three different type styles.

• Normal type states the hazard.

• Bold type states how to avoid the hazard.

• Italic type states the possible consequences of not avoiding the hazard.

An icon, when present, gives a graphical description of the potential hazard.

Example:

! WARNING

Risk of unexpected vehicle movement.

• Block drive wheels before performing a test with engine running.

A moving vehicle can cause injury.

Important Safety Instructions

For a complete list of safety messages, refer to the accompanying safety manual.

SAVE THESE INSTRUCTIONS

Table of Contents

Safety Information ..................................................................................................................... iii

Chapter 1: Using This Manual ................................................................................................... 1

Conventions.................................................................................................................................. 1

Bold Text ................................................................................................................................ 1

Terminology............................................................................................................................ 1

Notes and Important Messages ............................................................................................. 2

Chapter 2: Introduction.............................................................................................................. 3

Chapter 3: Operations................................................................................................................ 4

Identifying the Vehicle................................................................................................................... 4

Engine ID Codes .................................................................................................................... 5

Vehicle Identification .............................................................................................................11

Connecting to a Vehicle...............................................................................................................11

Selecting a System..................................................................................................................... 15

Demonstration Programs............................................................................................................ 17

Chapter 4: Expert Mode ........................................................................................................... 18

Using Expert Mode ..................................................................................................................... 18

Initiating Expert Mode ..........................................................................................................19

Selecting a System ..............................................................................................................19

Expert Mode Function Selection Menu ................................................................................ 20

Testing in Expert Mode ............................................................................................................... 29

Chapter 5: Testing .................................................................................................................... 30

VW/Audi Software Application List ............................................................................................. 30

Testing Engine Systems ............................................................................................................. 32

VW/Audi Application Coverage ............................................................................................ 32

Clearing Codes .................................................................................................................... 40

Data...................................................................................................................................... 42

Functional Tests ................................................................................................................... 43

Testing Transmission Systems ................................................................................................... 53

Digimat Control Module Identification—Golf & Jetta, 1993–97 ............................................ 58

4-Speed Automatic Transmission—01N .............................................................................. 60

VW Series—095, 096, 01M ................................................................................................. 60

Audi Transmission—01F, 01K .............................................................................................. 61

Important Tips for Transmission Codes ............................................................................... 62

Transmission Basic Settings ................................................................................................ 63

Functional Tests—VW Passat 01V ...................................................................................... 64

VW/Audi Transmission Emergency Operation—01V ........................................................... 66

Testing Electronic Throttle Systems ........................................................................................... 67

Throttle Valve Control Module Adaptation............................................................................ 67

Electronic Throttle Types ..................................................................................................... 69

Testing ABS Systems ................................................................................................................. 72

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