Central Locking, OBD Output Diagnostic Test Mode

Central Locking, OBD Output Diagnostic Test Mode

The components displayed in the Output Diagnostic Test Mode (DTM) can differ depending upon the equipment fitted to 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:







Work Sequence
- Connecting scan tool - Scan Tool, Connecting, initiating On Board Diagnosis (OBD) - Central Locking System OBD, Initiating.

Indicated on display:

Rapid data transfer HELP
Select function XX

- Operate scan tool taking into account the information on the display:
- Input 03 for "Final control diagnosis" function.
- Switch off ignition and remove ignition key from ignition lock.

Indicated on display:

Rapid data transfer Q
03-Final control diagnosis

- Confirm entry with Q button.

Indicated on display:

Final control diagnosis arrowright

Switch from test step to test step using the arrowright key: See table on - Central Locking, OBD Output Diagnostic Test Mode.

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

- Press arrowright button.

If a component does not function:

- Continue Output Diagnostic Test Mode (DTM) to the end.

Reintroducing Final control diagnosis (Output Diagnostic Test Mode (DTM)) is possible only after terminating the On Board Diagnosis (OBD) and switching the ignition off and on again.