24-92
      
-  Operate starter briefly. 
     
 
Specification: approx. battery voltage
      If there is no voltage again:  
     
-  Check wire connection from terminal 3 of 
connector to Fuel Pump (FP) relay via fuse for 
open circuit: 
     
       Electrical Wiring Diagrams, Troubleshooting & 
Component Locations   
      If voltage supply is OK:  
    
Note:   -  Connect multimeter for voltage measurement as follows:Harness connector  
Terminal  
Measure 
to  
4 (Ground -GND- activation of Engine Control Module -
ECM-)  B+  
- Start engine.
 
Specification: approx. battery voltage
Pa
ge 23 of 46 Ox
yg
en sensor control, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.24.2 
24-110
      
-  Operate starter briefly. 
     
 
Specification: approx. battery voltage
      If there is no voltage again:  
     
-  Check wire connection from terminal 1 of 
connector to Fuel Pump (FP) relay via fuse for 
open circuit: 
     
       Electrical Wiring Diagrams, Troubleshooting & 
Component Locations   
      If voltage supply is OK:  
    
-  Connect multimeter for voltage measurement as follows:Harness connector  
Terminal  
Measure 
to  
2 (Ground -GND- activation of Engine Control Module -
ECM-)  B+  
- Start engine.
 
Specification: approx. battery voltage, possibly fluctuating
-  Switch ignition off.
Pa
ge 43 of 46 Ox
yg
en sensor control, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.24.2