Wastegate Bypass Regulator Valve N75- Checking
Wastegate bypass regulator valve N75-, checking
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
^ VAG 1551 scan tool or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3
^ Hand multimeter V.A.G 1526 or multimeter V.A.G 1715
^ Adapter set V.A.G 1594
Test conditions
^ Carry out Output Diagnostic Test Mode.
^ Ignition switched off.
Test sequence
- Pull off wastegate bypass regulator valve (N75)-1-connector-2-.
- Measure resistance between valve contacts.
- Specification: 25 to 35 S2
If the specification is not obtained:
- Replace wastegate bypass regulator valve (N75).
- Check DTC memory.
- Read out 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 specifications in measured value blocks for charge air pressure control