Evaporative emissions system, leak testing: Conditions

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Main Fuse Panel

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fuse no. 43 must be OK.
No DTCs in DTC memory: Refer to 01 ON BOARD DIAGNOSTIC (OBD)
All electrical consumers, e.g. lights and rear window defroster, must be turned off.
If the vehicle has air conditioning, it must be off.

Throttle valve angle less than 10 °, refer to display group 03, field 3
Engine coolant temperature less than 99 ° C, refer to display group 04, field 3
Intake air temperature less than 95 ° C, refer to display group 04, field 4