24-30
      
-  Disconnect harness connector from fuel injector 
to be checked. 
    
If voltage tester does not light up:  
If voltage tester does light up:  
Checking fuel injector triggering   -  Connect VAG 1527B voltage tester between harness connector 
terminal 1 and Ground (GND). 
-  Use scan tool "Output Diagnostic Test Mode" function 03 to trigger fuel 
pump relay -J17-   Repair Group 01.    Specified value: voltage tester must light up
-  Check wiring between terminal 1 and fuel injector fuse using wiring 
diagram. 
-  Check fuel injector triggering.
-  Disconnect harness connector from fuel injector to be checked.
    
-  Connect VAG 1527B voltage tester between terminal 2 and battery 
positive voltage (B+) using jumper wires from connector test kit VW 
1594. 
-  Operate starter for several seconds (OK for engine to turn).
Voltage tester must flash 
Pa
ge 3 of 5 Fuel in
jectors, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.FU01.24.6