relay AUDI A4 1995 B5 / 1.G APB Engine Charge Air System With Turbocharger Workshop Manual
Page 28 of 37
21-23
Checking voltage supply
Note:
Voltage is supplied to the recirculation valve via
the Fuel Pump (FP) relay.
Test requirement:
Fuse for recirculation valve OK
- Disconnect connector at valve.
- Connect VAG1527B voltage tester as follows:Harness connector terminal
Measure to
1 Engine Ground (GND)
- Operate starter briefly.
LED must light.
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Page 29 of 37
21-24
If LED does not light:
- Check wire connection from terminal 1 to Fuel
Pump (FP) relay via fuse for open circuit.
Electrical Wiring Diagrams, Troubleshooting &
Component Locations
- Repair open circuit if necessary.
If wire connection is OK:
- Check Fuel Pump (FP) relay.
Repair Manual, 2.7 Liter V6 5V BiTurbo Fuel
Injection & Ignition, Engine Code(s): APB, Repair Group 24
If LED lights:
- Check activation, Page 21
-25
.
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ge 29 of 37 Char
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ystem with turbochar
ger
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE05.21.1