28-35
      
Function, checking  
     
Note:  
     For functional check of camshaft position sensor, 
disconnect the 4-pin connector from the ignition 
coil power output stage and check DTC memory. 
     
Camshaft position sensor voltage supply OK 
 page 28
-33
 
     
-  Push back rubber boot on camshaft position 
sensor connector (sensor remains connected). 
     
-  Connect VAG 1527B voltage tester between 
terminal 1 (B+) and 2 (signal). 
     
-  Operate starter for several seconds.
     
Voltage tester must flash briefly every 
second engine rotation 
      If voltage tester does not flash:  
     
-  Switch ignition off and disconnect 3-pin harness 
connector from camshaft position sensor. 
     
-  Connect VAG 1598/19 test box to ECM harness 
connector  page 01
-255
 . 
Pa
ge 3 of 5 Camshaft Position 
(CMP
) sensor 
(bank 2
), checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.28.10