Volkswagen Passat 1995 Repair Manual page 137

A/C refrigerant system, troubleshooting
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.87.6
A/C refrigerant system cooling
performance, checking
Note:
A/C evaporator temperature switch -E33- (if
equipped) switches A/C compressor OFF only in
special instances so evaporator does not ice up;
variable displacement A/C compressor maintains
temperature of 0 C (32 F) in evaporator.
Test conditions
A/C refrigerant system fully charged
A/C clutch -N25- and compressor function
OK
Condenser and radiator clean and free of
obstructions
Air distribution can be adjusted properly
Wiring OK as per wiring diagram
Outside (ambient) temperature 20 C-30 C
(68 F-86 F)
Page 8 of 10
87-111
12/7/2004