24-170
      
-  Connect VAG1598/31 test box at wiring harness 
to ECM, do not connect ECM   Page 24
-17
 . 
     
-  Connect VAG1527B voltage tester to sockets 3 
(B+) and 54 (VSS) of VAG1598/31 test box. 
     
-  Switch ignition on and turn front left wheel by 
hand. 
     
 
LED must blink (very brief blink signal).
      If LED does not blink:  
     
-  Check the following wire connection for open 
circuit and short circuit to Ground (GND) and B+:
     
Test box  
VAG1598/31  
Socket  
Instrument cluster  
  
Terminal  
54    Electrical Wiring Diagrams, 
Troubleshooting & Component 
Locations binder   
     
-  Repair open circuit or short circuit if 
necessary. 
Pa
ge 6 of 44 Additional si
gnals, testin
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.FU05.24.6