Test conditions

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, and 2003 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Coolant temperature must be at least 80 ° C, display group 04, display zone 3.
All electrical consumers, e.g. lights and rear window heating must be switched off
If the vehicle is equipped with an air conditioner, this must be switched off.
On vehicles with automatic transmission selector lever in "P" or "N" position

No DTCs must be stored in DTC memory → DTC memory (functions 02 and 05), checking and erasing , checking DTC memory