FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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With Manufacturer's Scan Tool



Wastegate Bypass Regulator Valve -N75-, Checking

Special tools and equipment
- VAG 1551 Scan Tool or vehicle system tester VAG 1552 with cable VAG 1551/3
- Hand multimeter VAG 1526 or multimeter VAG 1715
- Adapter set VAG 1594

Test conditions
- Perform Output Diagnostic Test Mode (DTM)
- Ignition switched off.

Test sequence







- Disconnect Wastegate bypass regulator valve -N75- -1- connector -2-.







- Measure resistance between valve terminals.
Specification: 25 to 35 Ohms

If the specification is not obtained:
- Replace Wastegate bypass regulator valve -N75-.
- Check DTC memory:
- Read readiness code:
- Generate readiness code again if DTC memory has been erased or engine control module separated from permanent positive.

If the specification is obtained:
- Check specifications in measured value blocks for charge air pressure control: Display groups 110 to 119