fuse diagram AUDI A4 2000 B5 / 1.G AFC Engine Intake Manifold Over Valve Checking Workshop Manual

24-65

Checking voltage supply

If voltage tester does not light up: - Disconnect intake manifold change-over valve harness connector.
- Connect VAG 1527B voltage tester between harness connector
terminal 1 and Ground (GND) using jumper wires from connector test
kit VW 1594.
- Use scan tool "Output Diagnostic Test Mode" function 03 to trigger fuel
pump relay -J17- page 01
-145
.
Voltage tester must light up
- Check fuse for intake manifold change-over valve.

- Check wiring for continuity between intake manifold change-over valve
harness connector terminal 1 and fuse, using wiring diagram.

Specified value: max. 1.0 - Check fuel pump relay and triggering page 24
-24
.
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