24-129
Check voltage supply for wastegate bypass
regulator valve -N75-
Note:
Voltage supply for the wastegate bypass
regulator valve is provided by the fuel pump
relay.
Fuse for -N75- OK
- Disconnect harness connector from valve.
If LED does not light:
If wiring is OK: - Connect VAG 1527B LED test light between harness connector
terminal 1 and engine Ground.
- Operate starter motor.
LED test light must light up
- Check wiring for open circuit between terminal 1 to and fuse, according
to wiring diagram. Repair if necessary.
- Check fuel pump relay Page 24
-81
.
Pa
ge 8 of 17 Turbochar
ger boost controls, checkin
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11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.FU02.24.3
