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Home >> Volkswagen >> 2004 >> GTI Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> 2.8L - Fuel Injection Ignition [BDF] - [01-On Board Diagnostic] >> 01 On Board Diagnostic (OBD) >> Output Diagnosis Test Mode (DTM) >> Output Diagnosis Test Mode (DTM), performing >> 9...14. Activating fuel injectors (-N30-... N33, N83 and N84):
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9...14. Activating fuel injectors (-N30-... N33, N83 and N84):

Indicated on display:

Output Diagnosis Test Mode →
Cylinder 1 Fuel Injector -N30-

Cylinder 1 Fuel Injector N30 clicks five times.

NOTE:
  • The fuel pump must run and the sound of fuel flowing through the fuel pressure control must be heard clearly.

If the fuel pump does not run:

Fuel pump runs:

Using this procedure, each fuel injector can be checked one after the other according to firing order.

If one of the fuel injectors is not activated (does not click):

Indicated on display:

Output Diagnosis Test Mode was aborted

If all fuel injectors have been activated (clicks):

Indicated on display:

Output Diagnosis Test Mode →
END