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Home >> Audi >> 2004 >> TT Base, 2D Convertible >> Repair and Diagnosis (Single Page) >> Body & Frame >> Ignition Switch/Steering Lock >> Electrical Equipment >> 01 On Board Diagnostic (OBD) >> Automatic vertical headlight aim control system, On Board Diagnostic (OBD) >> Output Diagnostic Test Mode (DTM) (function 03)
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Output Diagnostic Test Mode (DTM) (function 03)

NOTE:
  • The output Diagnostic Test Mode (DTM) can only be carried out on a stationary vehicle.
  • Switch ignition on.
  • Switch low beam on.
  • If a malfunction is found during the output DTM, trace the cause and replace the malfunctioning part.

The following tests can be carried out by output DTM:

Output DTM, initiating 

Rapid data transfer Q
03 - Output Diagnostic Test Mode

Indicated on display:

Output Diagnostic Test Mode →
Lower head lights

Indicated on display:

Headlights will be lowered until sequence is switched ahead or the lowest position is reached.

Output Diagnostic Test Mode →
Raise head lights

Indicated on display:

Headlights will be raised until sequence is switched ahead or the highest position is reached.

Output Diagnostic Test Mode →
END

Indicated on display:

The scan tool returns to the "Select function XX" mode.

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Select function XX

Indicated on display: