wiring diagram AUDI A4 1998 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide
Page 33 of 37
24-108
- Switch ignition ON.
- Using VAG 1551 scan tool, select "Read
Measuring Value Block" function 08, display
group 027, display field 2 page 01
-249
.
Read measuring value block 27 1 2 3 4
Indicated on display; note display field 2
If the specified value is not obtained, even though coding is OK: Specified value: 0
- Start engine and let idle.
Specified value: 1
-
Press button.- Select "End Output" function 06.
- Press -Q- button to confirm input.
- Connect VAG 1598/19 test box to ECM harness connector page 01
-
255
.
- Check wiring for open or short circuit between ECM and instrument
cluster, using wiring diagram.
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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Page 35 of 37
Control module coding OK page 01
-247
.
Checking
- Switch ignition OFF.
- Connect VAG 1598/19 test box to ECM harness
connector page 01
-255
.
- Check signal wire for open or short circuit
between ECM and ABS control module, using
wiring diagram.
Pa
ge 35 of 37 Auxiliar
y in
put si
gnals, 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.FU01.24.25