Golf L4-1.8L Turbo (AWD) (2000)
Air Bypass Valve: Testing and Inspection
Wastegate Bypass Regulator Valve N75- Checking
Wastegate bypass regulator valve N75-, checking
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
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VAG 1551 scan tool or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3
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Hand multimeter V.A.G 1526 or multimeter V.A.G 1715
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Adapter set V.A.G 1594
Test conditions
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Carry out Output Diagnostic Test Mode.
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Ignition switched off.
Test sequence
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Pull off wastegate bypass regulator valve (N75)-1-connector-2-.
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Measure resistance between valve contacts.
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Specification: 25 to 35 S2
If the specification is not obtained:
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Replace wastegate bypass regulator valve (N75).
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Check DTC memory.
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Read out readiness code.
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If the DTC memory has been erased or the engine control module separated from the permanent positive, the readiness code must be generated
again.
If the specification is obtained:
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Check specifications in measured value blocks for charge air pressure control