Service & Repair Manual

24-73
Checking voltage supply
- Disconnect connector from Intake Manifold
Change-Over Valve -N156-.
If LED does not light up:
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder
- Connect VAG1527B voltage tester as follows:
Harness connector
Terminal
Measure to
1 Engine Ground (GND)
- Operate starter briefly.
LED must light up.
- Check wire connection from terminal 1 to Fuel Pump (FP) relay via
fuse for open circuit.
Pa
g
e 8 of 10Intake manifold chan
g
e-ove
r
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.FU05.24.2