Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
Wastegate Bypass Regulator Valve: Testing and Inspection
Wastegate Bypass Regulator valve -N75-, checking
Special tools and equipment
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Multimeter V.A.G 1526, V.A.G 1715 or Fluke 83
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Adapter set V.A.G 1594
Checking conditions
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Output Diagnostic Test Mode (DTM) must be performed.
Refer to Powertrain Mangement.
Checking sequence
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Switch ignition off.
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Disconnector connector from wastegate bypass regulator valve.
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Measure resistance between valve contacts.
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Specification: 25 to 35 Ohms
If the specification is not obtained:
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Replace Wastegate Bypass Regulator valve -N75-.
Wastegate Bypass Regulator valve pressure unit, checking
Special tools and equipment
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V.A.G 1551 Scan Tool or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3
Checking conditions
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Engine oil temperature min. 80° C
Checking sequence
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Disconnect Wastegate Bypass Regulator valve -N75- -1- connector-2-.