FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Output Diagnostic Test Mode (Function 03)




Output Diagnostic Test Mode (DTM), (Function 03)

The Output Diagnostic Test Mode (DTM) is part of the electrical check.
Check the DTC memory after performing output DTM.

Output Diagnostic Test Mode (DTM), initiating


NOTE:

- Output Diagnostic Test Mode (DTM) cannot be initiated, or will be interrupted if engine is running or vehicle is moving.
- Use the -C- button to exit the test sequence at any time.


- Switch radio off.
- Connect VAG 1551 Scan Tool, select operating mode 1 "Rapid data transfer", switch ignition on and input address word 16 "Steering wheel electronics" and then press -> button, until "Select function XX" is shown in display.

Indicated on display


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -3- to select function 03 "Output Diagnostic Test Mode (DTM)".

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) ->
Segment test



- In the instrument cluster (vehicles with high line equipment) the text "AAAABBBBCCCCDDDD" appears in the display.
- Switch radio on, find a radio station and turn volume to medium.
- Press -> button.

Indicated on display


Output Diagnostic Test Mode (DTM) ->
Radio louder



- The volume increases
- Press -> button.

Indicated on display


Output Diagnostic Test Mode (DTM) ->
Radio softer



- The volume lowers
- Press -> button.

Indicated on display


Output Diagnostic Test Mode (DTM) ->
Radio station search up



- There is a search for the next radio station and, on vehicles with high line equipment, this is also shown in the display on the instrument cluster.
- Press -> button.

Indicated on display


Output Diagnostic Test Mode (DTM) ->
Radio station search up



- The previous radio station is found and displayed in the radio display and, on vehicles with high line equipment, this is also shown in the display on the instrument cluster.

Indicated on display


Output Diagnostic Test Mode (DTM) ->
END



- Press -> button.

Indicated on display (select function):


Rapid data transfer HELP
Select function XX



- End output (function 06).