fuse diagram AUDI A4 1995 B5 / 1.G APB Engine Secondary Air System Workshop Manual
Page 12 of 29
26-42
 
    
 Electrical Wiring Diagrams, Troubleshooting & Component Locations   
 Repair Manual, 2.7 Liter V6 5V BiTurbo Fuel Injection & Ignition, 
Engine Code(s): APB, Repair Group 24
   
Checking activation  
Check wire connection from terminal 1 of connector via fuse -S234- 
(in fuse holder, socket 34) to Fuel Pump (FP) relay for open circuit: Check Fuel Pump (FP) relay. 
    
-  Connect VAG 1527B voltage tester between terminal 1 and 2.
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11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
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pair&id=AUDI.B5.GE05.26.2 
Page 20 of 29
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-  Connect multimeter for voltage measurement as 
follows: 
     
3-socket relay carrier in E-box, 
plenum chamber, position 2  
terminal  
Measure to  
  
4   Engine 
Ground 
(GND)  
     
-  Operate starter briefly. 
     
 
Specification: approx. battery voltage
      If specified value is not obtained:  
     
-  Perform following tests marked with dots:
    
 Electrical Wiring Diagrams, Troubleshooting & Component Locations   Check fuse -S234- (in fuse holder, position 34). Check wire connection from Secondary Air Injection (AIR) pump relay 
-J299- (in 3-socket relay carrier in E-box, plenum chamber) via fuse -
S234- (in fuse holder, position 34) to Fuel Pump (FP) relay for open 
circuit: 
Pa
ge 20 of 29 Secondar
y air s
ystem
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.26.2