The Volkswagen Scan Tool Companion 1990-1995
is the essential reference book for the professional Volkswagen technician or
the do-it-yourselfer with a Volkswagen scan tool. This book together with a
VAG 1551 scan tool or equivalent scan tool software is the only equipment
you'll need to interrogate and diagnose 1990 through 1995 Volkswagen engine
management systems. You'll find all the engine management factory scan tool
support information in one place culled from volumes of factory service
information in an easy-to-use format. You'll also find lots of additional
information not found in any factory repair manual, including nominal values
for correctly functioning engine management systems, scan tool fundamentals,
and exhaust and emissions theory.
Coverage includes gasoline engine management
systems with On Board Diagnostics (OBD) commonly referred to as OBD-I (systems
without readiness codes) for 1990 through 1995 model year Golf, Jetta, GTI,
Corrado, Passat, Fox, Cabriolet, and Eurovan including California and Canadian
versions. Also covered is the 1995 Winnebago Rialta and Camper and the OBD-D
system found on 1996 Passat TDI diesel.
Technical highlights:
- Detailed explanation of scan tool functions
on all engine management systems.
- Complete “measuring value block” information
with factory specified values along with known-good nominal values.
- Engine-specific step-by-step procedures for
initiating basic settings using the scan tool.
- Explanation of component operation for the
Output Diagnostic Mode.
- System views of each engine management
system showing sensors, actuators and signals, including technical
specifications for each engine.
- Detailed component overviews with the
alpha-numeric identification. This is helpful when using factory repair
manuals or wiring diagrams.
- Engine technical data for each engine.
- Glossary of terminology used in conjunction
with the scan tool.
- Descriptions of Volkswagen Diagnostic
Trouble Codes (DTCs) identified by blink code and by factory codes.