Volkswagen Passat 1995 Official Factory Repair Manual page 2909

On Board Diagnostic (OBD) program Page 40 of 43
1)
While driving with drive gear selected a second technician is needed for reading the specified values
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.AT02.01.2 12/6/2004