AUDI A4 1996 B5 / 1.G AHA Engine Auxiliary Signals Checking Owner's Manual
Page 21 of 22
24-176
Fuel level signal, checking
Notes:
If there is too little fuel in the fuel reservoir (less
than 2 gallons) combustion misfiring and/or fuel
system malfunctions could occur. In this case
the malfunction "Fuel level too low" is stored in
the DTC memory (SAE P1250 / VAG 17658).
This malfunction always occurs with
combustion misfiring or fuel system
malfunctions.
In general eliminate all other malfunctions
first.
- Fill fuel tank of vehicle (at least 20 ltr, or 5.25
gal).
- Check and then erase DTC memory page 01
-
16
.
- Check readiness code page 01
-70
.
- Generate new readiness code page 01
-73
.
Pa
ge 21 of 22 Auxiliar
y si
gnals, checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.24.4
Page 22 of 22
24-177
- Conduct a test drive ( Safety precautions
page 24
-9 ).
- Check DTC memory of ECM page 01
-16
.
If only the DTC "Fuel level too low" (SAE P1250 /
VAG 17658) is stored in the DTC memory.
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder - Connect VAG1598/22 test box to ECM harness connector page 01
-
67
.
- Check wire from terminal 21 of test box to instrument cluster for open
circuit or short circuit per wiring diagram.
Pa
ge 22 of 22 Auxiliar
y si
gnals, checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU03.24.4