Output Diagnostic Test Mode (DTM) (Function 03)

Output Diagnostic Test Mode (DTM) (Function 03)

The output Diagnostic Test Mode (DTM) is part of the electrical check.

Output DTM checks for a short circuit between the speaker wires.

After output Diagnostic Test Mode (DTM), check DTC memory.

Initiating output Diagnostic Test Mode


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


- Connect VAG1551 scan tool, select "Rapid data transfer" operating mode 1, switch ignition on and enter "Radio" address word 56.

Indicated on display


Rapid data transfer HELP
Select function XX


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

Indicated on display


Rapid data transfer Q
03 - Output Diagnostic Test Mode


- Press -Q- button to confirm input.

Indicated on display


Output Diagnostic Test Mode ->
Loudspeaker


A short loud tone is heard.
- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
Output Radio Display Dash Panel Insert


- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
END


- Press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -6- to select function 06 "End Output".

Indicated on display


Rapid data transfer Q
06 - End Output


- Press -Q- button to confirm input.

Indicated on display


Rapid data transfer HELP
Insert address word XX


Scan tool returns to start of program sequence.