AUDI A4 1995 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