Volkswagen Passat 1995 Official Factory Repair Manual page 1952

Multiport fuel injection and ignition system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
Signal from A/C compressor, checking
Special tools, testers and auxiliary items
VAG 1551/1552 scan tool with VAG 1551/3
adapter cable
VAG 1598/18 test box
Multimeter (Fluke 83 or equivalent)
Connector test kit VW 1594
Wiring diagram
Check conditions
Function of A/C OK
A/C switched off
Interior of vehicle is at room temperature
(above 15 C (59 F))
No malfunctions stored in DTC memory
Page 01-12 , checking DTC memory
Page 113 of 126
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12/6/2004