audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Wastegate Frequency Valve <--> [Wastegate Solenoid]|Specifications|Page 5046 > < Wastegate Frequency Valve <--> [Wastegate Solenoid]|Specifications|Page 5044
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2-Pin Connector

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Connect US 1115 LED tester or equivalent (using VW 1594 connector test kit) to terminal 1 of connector, and to engine Ground (GND).

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Operate starter for a few seconds.
^

LED tester must light up, during starter operation.

If NO:

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Verify that circuit breakers -S72- and -S75- are OK.

2-Pin Connector

-

Check continuity between connector terminal 1 of wastegate bypass regulator valve, and EVAP frequency valve circuit breaker -S75- using
wiring diagram.
^

Must be 0.5 ohm maximum.

Central Electric Panel With Detail Of Relay Position 6

-

Check continuity between EVAP frequency valve circuit breaker -S75-, and terminal 31 of fuel pump relay -J17-, relay position 10, using
wiring diagram.
^

Must be 0.5 ohm maximum.

-

Check control signal to fuel pump relay.

Wastegate Frequency Valve <--> [Wastegate Solenoid]|Specifications|Page 5046 > < Wastegate Frequency Valve <--> [Wastegate Solenoid]|Specifications|Page 5044