Test conditions

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

The battery voltage must be at least 11.5 V.
A/C functioning OK.
No malfunctions must be stored in DTC memory → Diagnostic Trouble Code (DTC) memory, checking and erasing , interrogating fault memory
Vehicle at room temperature (warmer than + 15 ° C).

All electrical accessories, e.g. lights and rear window heating must be switched off
A/C switched on