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.

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.

- Connect VAG 1551 Scan Tool (ST), input address word 56 "Radio" and then press -> button, until "Select function XX" is shown in display.

Indicated on display (select function):





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

Indicated on display





- Press -Q- button to confirm input.

Indicated on display





A short, loud tone emits

- Press -> button.

Indicated on display:





- Press -> button.

Indicated on display:





- Press -> button.

Indicated on display (select function):





- End output (function 06).