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Home >> Volkswagen >> 2004 >> GTI VR6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (1.9L - Fuel Injection Glow Plug, Engine Code: ALH (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Function 03: Output Diagnostic Test Mode (DTM) >> Output Diagnostic Test Mode, performing >> Activating Wastegate Bypass Regulator valve N75

Activating Wastegate Bypass Regulator valve N75

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Indicated on display:

Output Diagnostic Test Mode ->
Wastegate Bypass Regulator Valve N75

The solenoid valve must operate and the rod for the charge pressure control pressure unit on the turbocharger must move back and forth (at least 3 - 4 times, as long as there is vacuum in the vacuum reservoir).

If solenoid valve does not operate: