17-32
      
-  Connect voltage tester VAG 1527 B to oil 
pressure switch and positive side of battery (+) 
using test leads from VAG 1594 A. 
     
Test lamp should not light up. 
     
-  If test lamp lights up, install new oil pressure 
switch. 
     
- Start engine. 
     
Note:  
     The switching point of the oil pressure switch can 
be reached when the engine is cranked on the 
starter motor, so watch the tester and the test 
lamp while starting the engine. 
     
Black oil pressure switch: 
     LED must light up at 1.2 to 1.6 bar. 
     
-  If test lamp does not light up, install new oil 
pressure switch. 
Pa
ge 32 of 35 Lubrication s
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11/21/2002 htt
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pair&id=AUDI.B5.GE06.17.1