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Output Diagnostic Test Mode (DTM) (Function 03)





Output Diagnostic Test Mode (DTM) (function 03)

The actuator motors for automatic vertical headlight aim control can be checked via Output Diagnostic Test Mode (DTM).

Initiating output DTM

NOTE:
- If engine is started or vehicle is moved, Output Diagnostic Test Mode (DTM) of the automatic vertical headlight aim control system cannot be initiated and will be terminated if in progress.
- Test sequence can always be exited via the -C- button
- Connect VAG 1551 Scan Tool (ST), select operating mode 1 "Rapid data transfer", switch ignition on and enter address word 55 for "automatic vertical headlight aim control system".

Indicated on display:


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -3-. This selects "Output Diagnostic Test Mode (DTM)", function 3.

Indicated on display:


Rapid data transfer Q
03 - Output Diagnostic Test Mode (DTM)



- Press -Q- button to confirm input.

Indicated on display:


Output Diagnostic Test Mode (DTM) ->
Headlights are lowered



The headlights will be lowered, until the lower end position has been reached.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Headlights are raised



The headlights will be raised, until the upper end position has been reached.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Signal wire to instrument cluster



Not indicated.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
DONE



- Press -> button.

Indicated on display:


Output Diagnostic Test Mode terminate ->


- Press -> button.

Indicated on display:


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -6-. This selects "End Output", function 06.

Indicated on display:


Rapid data transfer Q
06 End Output



- Press -Q- button to confirm input.

Indicated on display:


Rapid data transfer HELP
Enter address word XX



The tester returns to the "Select function" mode.