Service & Repair Manual

24-174
- Depress gas pedal completely (swiftly) and then
release it (brief acceleration).
Specified value in display field 4: Indication
jumps for a few seconds from "Compr. ON"
to "Compr. OFF" (compressor is switched off
when vehicle accelerates).
If indications do not resemble description:
- 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+:
Test box
VAG1598/31
Socket
A/C control
head -E87-
Terminal
41 Electrical Wiring Diagrams,
Troubleshooting & Component
Locations binder
- Repair open circuit or short circuit if
necessary.
Pa
g
e 11 of 44Additional si
g
nals, testin
g
11/23/2002htt
p
://127.0.0.1:8080/audi/servlet/Dis
p
la
y
?action=Goto&t
yp
e=re
p
air&id=AUDI.B5.FU05.24.6