Wastegate Bypass Regulator Valve N75 , checking

Special tools, testers and auxiliary items required 

• Fault Read Out Device V.A.G 1551 or Vehicle Diagnosis, Testing and Information System VAS 5051B
• Portable multimeter V.A.G 1526C
• Connector test set V.A.G 1594C

Test conditions 

• Output diagnostic test performed:
• Ignition switched off.

Test sequence 

Fig 1: Identifying Connector At Wastegate Bypass Regulator Valve N75

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disconnect connector - 2  - at Wastegate Bypass Regulator Valve N75 - 1  -.

Fig 2: Measuring Resistance Between Terminals Of Valve

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Measure resistance between terminals of valve. Specified value: 25 to 35 Ω

If specification is not obtained:

• Replace Wastegate Bypass Regulator Valve N75.
• Check DTC memory.
• Read readiness code.
• If DTC memory was cleared or engine control module disconnected from voltage supply, readiness code must be regenerated.

If specified value is not achieved:

• Check specified values in measured value blocks for charge pressure regulation: Display groups 110 to 119.