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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 01 On Board Diagnostic (OBD) >> Function 03: Output Diagnostic Test Mode (DTM) >> Performing Output Diagnostic Test Mode >> 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 click.

NOTE:
  • The clicking operation of the valve is difficult to hear and is therefore best checked by touch.

If solenoid valve does not operate:

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