Operation CHARM: Car repair manuals for everyone.

Output Diagnostic Test Mode (Function 03)



NOTES:
- The output diagnostic test mode can only be carried out with vehicle stopped and engine not running.
- If a malfunction is found using output DTM, find the cause using troubleshooting procedures and carry out repairs.


During output DTM, the following systems are activated in sequence:
- Anti-theft warning system, i.e. the emergency flashers and the anti-theft warning horn are activated
- Simulate crash signal, i.e. interior lights come on and emergency flasher system activated

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

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 ->
Create Active Alarm


The interior lights come on and the emergency flasher system is activated by the anti-theft warning system.

- Press -> button to shut off alarm.

Indicated on display

Output Diagnostic Test Mode ->
Next Final Ctrl: Operate ->


- Press -> button.

Indicated on display

Function is unknown or ->
cannot be carried out at the moment


- Press -> button.

Indicated on display

Output Diagnostic Test Mode ->
Next Final Ctrl: Operate ->


- Press -> button.

Indicated on display

Output Diagnostic Test Mode ->
Simulate Crash Signal


The emergency flasher system and the interior illumination are activated.

- Press -> button.

Indicated on display

Output Diagnostic Test Mode ->
End output


- Press -> button to end output DTM.

The VAG1551 scan tool returns to "Select function" mode.

Indicated on display

Rapid data transfer HELP
Select function XX