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 1551/3B
- VAG 1526 Hand multimeter or VAG 1715 multimeter
- Adapter set VAG 1594

Test conditions
- Output Diagnostic Test Mode (DTM) carried out

Test sequence

- Switch ignition off.






- Pull 2-pin connector off Wastegate Bypass Regulator Valve -N75- -arrow-.






- Measure resistance between valve contacts.
Specification: 25-35 ohms

If the specification is not obtained:
- Replace Wastegate Bypass Regulator Valve -N75-.
- Check DTC memory.
- Read readiness code.

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:
- Check specified values in measuring value blocks for charge pressure regulation:
Display groups 111 to 119

- Read Measuring Value Block, Display groups 110 to 119 -charge pressure control