ESP AUDI A4 1995 B5 / 1.G AFC Engine Fuel Injectors Checking Workshop Manual
Page 4 of 5
24-31
       If tester does not flash, check wiring between 
terminal 2 of the respective fuel injector and the 
ECM as follows:  
    
-  Connect VAG 1598/19 test box to ECM harness connector   Repair 
Group 01. -  Check fuel injector 1 signal wire for continuity between harness 
connector terminal 2 and test box socket D1. 
  
Specified value: max. 1   -  Check fuel injector 2 signal wire for continuity between harness 
connector terminal 2 and test box socket D2. 
  
Specified value: max. 1   -  Check fuel injector 3 signal wire for continuity between harness 
connector terminal 2 and test box socket D4. 
  
Specified value: max. 1   -  Check fuel injector 4 signal wire for continuity between harness 
connector terminal 2 and test box socket D5. 
  
Specified value: max. 1   -  Check fuel injector 5 signal wire for continuity between harness 
connector terminal 2 and test box socket D6. 
  
Specified value: max. 1   
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Page 5 of 5
24-32
      
-  Check fuel injector 6 signal wire for continuity 
between harness connector terminal 2 and test 
box socket D8. 
     
  
Specified value: max. 1         If continuity is not obtained:  
    
If voltage tester does not flash for each fuel injector:  
If the voltage supply is OK:  -  Eliminate open or short circuit between terminal 2 of respective fuel 
injector connector, and ECM connector. Cylinder number (fuel injector terminal 1)  
Connector D terminal  
1   1  
2   2  
3   4  
4   5  
5   6  
6   8  -  Check voltage supply for ECM   page 28
-27
 .
-  Replace ECM   Repair Group 01.
Pa
ge 5 of 5 Fuel in
jectors, checkin
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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