Section 3 (Automatic A/C-Heater Systems): Self-Diagnostics: Notes
WARNING: This page is about a different car, the 2003 Volkswagen EuroVan and 2002 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For instructions on how to use manufacturer's scan tool, consult operating manual provided with scan tool.