TT Roadster L4-1.8L Turbo (AWP) (2003)
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Air Bypass Valve: Testing and Inspection
With Generic Scan Tool
Wastegate Bypass Regulator Valve, Checking
Recommended special tools and equipment e.g.:
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
Test sequence
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Switch ignition off.
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Disconnect connector at solenoid valve for boost pressure regulation.
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Measure resistance between terminals of valve.
Specified value: 25...35 Ohm
If specified value is not obtained:
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Replace Wastegate Bypass Regulator Valve -N75-.
