-  Remove oil pressure switch and install into oil pressure tester VAG 
1342. 
-  Connect cable -2- (brown) to Ground (GND).
-  Connect cable -1- (blue) to oil pressure switch.
-  Connect VAG 1527B voltage tester to cable -1- and battery positive 
voltage (B+). 
Pa
ge 11 of 15 Lubrication s
ystem com
ponents, removin
g and installin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.GE01.17.1