AUDI A4 1998 B5 / 1.G APB Engine Ignition System Checking
Page 61 of 64
28-54
 Evaluation display group 014, display field 3  Display field: 
3  
Possible cause  
Corrective action  
greater 15  
 
Spark plug faulty
 Spark plug connector faulty
 Ignition coil or power output stage faulty- Check spark plug and ignition cable with 
connector 
- Check ignition coil   Page 28
-5 .
- Check power output stages   Page 28
-11
  
 
Fuel injector faulty
 Check compression of one or more cylinder 
weak - Check fuel injectors   Page 24
-39
- Check compression pressure
Pa
ge 61 of 64 I
gnition s
ystem, 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.FU04.28.1 
Page 62 of 64
28-55
 The following measuring value blocks display misfiring of individual cylinders:  
  
Display fields  
  
1   2   3   4  
Display Group 015: Misfire recognition from cylinder 1, 2 and 3  
Display  
xxx  
xxx  
xxx  
---  
Indicates  
Amount of 
misfires   
cylinder 1  Amount of 
misfires   
cylinder 2  Amount of misfires   
cylinder 3  Misfire 
recognition  
Work range    
    
    activated  
locked  
Specified 
value  0...15  
0...15  
0...15  activated  
Note        
If specification is obtained: Evaluation   
Page 28
-57
 .  
---  Pa
ge 62 of 64 I
gnition s
ystem, 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.FU04.28.1 
Page 63 of 64
28-56
 
  
Display fields  
  
1   2   3   4  
Display Group 015: Misfire recognition from cylinder 4, 5 and 6  
Display  
xxx  
xxx  
xxx  
---  
Indicates  
Amount of 
misfires   
cylinder 4  Amount of 
misfires   
cylinder 5  Amount of misfires   
cylinder 6  Misfire 
recognition  
Work range    
    
    activated  
locked  
Specified 
value  0...15  
0...15  
0...15  activated  
Note        
If specification is obtained: Evaluation   
Page 28
-57
 .  
---  Pa
ge 63 of 64 I
gnition s
ystem, 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.FU04.28.1 
Page 64 of 64
28-57
 Evaluation display groups 015 and 016  Display field: 1,2 and 3 from measuring 
value block 15 and 16  
Possible cause  
Corrective action  
greater 15  
Spark plug faultySpark plug connector faulty Ignition coil or power output stage 
faulty - Check spark plug and ignition 
cable with connector 
- Check ignition coil   Page 28
-5 .
- Check power output stages   
Page 28
-11
 
  
Fuel injector faultyCheck compression of one or 
more cylinder weak - Check fuel injectors   Page 24
-39
- Check compression pressure
Pa
ge 64 of 64 I
gnition s
ystem, 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.FU04.28.1