lights AUDI A4 1997 B5 / 1.G ATQ Engine Additional Signals Testing Workshop Manual

24-182
If LED does not light up:

- Check wire connection from terminal 1 or 3 of
connector for open circuit and short circuit to
Ground (GND):

Electrical Wiring Diagrams, Troubleshooting &
Component Locations binder
- Repair open circuit or short circuit if
necessary.
If LED lights up:

Checking activation

- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24
-17
.

- Check the following wire connections for open
circuit and short circuit to Ground (GND) and B+:

Harness connector
Terminal
VAG1598/31 test box
Socket
2 56
4 55
Pa
ge 22 of 44 Additional si
gnals, testin
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.FU05.24.6

24-187
If LED lights up:

Checking activation

- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24
-17
.

- Check the following wire connection for open circuit and short circuit to
Ground (GND) and B+: Harness connector
Terminal
VAG1598/31 test box
Socket
2 39
- Repair open circuit or short circuit if necessary.
Pa
ge 30 of 44 Additional si
gnals, testin
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.FU05.24.6