Generic Scan Tool (GST) Article Contents
Included in the contents of this Generic Scan Tool (GST) article is a summary table of the vehicle specific OBD II Emission Related Engine and Transmission DTCs. This table contains all necessary Malfunction Criteria, Threshold Values, Secondary Parameters, Enabling Conditions, Monitoring Time Length, Frequency of Checks, and Mil. Illumination to accurately monitor and diagnose the Engine Emissions and Transmission and perform all functions required to run Modes 01 through 09 with a hand held scan tool.
This Generic Scan Tool (GST) article also contains the step by step pin point test procedures to accurately diagnose and repair the suspected component or system once a DTC has been set. All references to repair procedures and wiring diagrams will be found within the diagnostic test procedure and easily identified as. e.g. → Wiring and Components, Checking with Test Box VAG 1598/42 or 2007 S6 5.2L Engine Wiring Diagrams.