Volkswagen-Audi Vehicle Communication Software Manual [888kb ...

Chapter 2
Introduction
This manual contains instructions for testing Volkswagen and Audi vehicles.
Some of the illustrations shown in this manual may contain modules and optional equipment that
are not included on your system. Contact a Snap-on Sales Representative for availability of other
modules and optional equipment.
This chapter provides an overview of the conventions used in this manual. The remainder of this
guide is divided in to the following chapters:
• Operations, on page 4—explains how to begin using the basic scan tool test functions, such
as identifying a vehicle, selecting a system for testing, and connecting to a vehicle.
• Expert Mode, on page 18—details enhanced factory tool capabilities and special functions,
such as setting adaptations and control module coding.
• Testing, on page 30—provides information and procedures for using the scan tool with
specific control systems.
• Data Parameters, on page 92—provides definitions and operating ranges for the
Volkswagen and Audi vehicle data stream parameters.
• Terms and Acronyms, on page 151—defines common terms and acronyms used in this
manual.
• Troubleshooting, on page 154—contains information for troubleshooting specific problems
that may arise when using the scan tool.
• Fuel Control Learning Adaptation Values, on page 157—explains OBD-II short and long
term FT terminology applied to VW/Audi fuel control terminology.
3