Output Diagnostic Test Mode (Function 03)

Output Diagnostic Test Mode (DTM) (Function 03)

The components displayed in the Output Diagnostic Test Mode (DTM) can differ depending upon the equipment installed on the vehicle. For example on vehicles without ATA there will be no step "1" as listed in the table below.

The Output Diagnostic Test Mode (DTM) activates the following components in the stated sequence:

Comfort System (vehicles with power windows) 2nd generation







Comfort System (vehicles with power windows) 3rd generation







Work sequence
- Connecting V.A.G 1551 or VAS 5051 and initiating On Board Diagnosis (OBD).
Scan Tool, Connecting
Initiating On Board Diagnosis (OBD)

Indicated on display:

Rapid data transfer HELP
Select function XX

- Operate V.A.G 1551 or VAS 5051 taking into account the information on the display:
- Input 03 for "Output Diagnostic Test Mode (DTM)" function.
- Switch off ignition and remove ignition key from ignition lock.

Indicated on display:

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

- Confirm entry with -Q- button.

Indicated on display:

Output Diagnostic Test Mode (DTM) ->

Perform individual tests, See Comfort System (vehicles with power windows) 2nd generation

The Output Diagnostic Test Mode (DTM) can be aborted by pressing the - C- button.

- Press -> button.

If a component does not function:
- Continue Output Diagnostic Test Mode (DTM) to the end.