Select diagnostic function

After connecting the diagnostic tester and selecting diagnostic function "33 - OBD", several diagnostic modes can be selected.
The following diagnostic modes monitor all components and systems which influence the emission quality.

DIAGNOSTIC MODES

Selectable diagnostic modes

Test

Requirement

Ignition on, engine standing

Engine running at idle

Vehicle in drive mode

Mode 1:

Check measured values

Yes

Mode 2:

Checking operating conditions

Yes

Mode 3:

Check DTC Memory

Yes¹⁾

Yes

Mode 4:

Reset/erase diagnostic data

Yes

Mode 5:

Check output of oxygen sensor signals

Yes

Mode 6:

Check test results of components that are not continuously monitored

Yes

Mode 7:

Check test results of components that are continuously monitored

Yes⁽¹⁾

Yes

Mode 8:

Tank leak test

Yes

Mode 9:

Vehicle information

Yes

⁽¹⁾	If the engine does not start up, crank engine using starter for at least 5 seconds, do not switch off ignition afterward under any circumstances.