Output Diagnostic Test Mode (DTM) (Function 03)

2000 Volkswagen New Beetle (1C1) L4-1.8L Turbo (APH)SECTION 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.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.