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Diagnostic Mode 04: Reset/delete Diagnostic Data

Diagnostic Mode 04 is used to reset or delete the following stored information:

All emission related malfunctions in the DTC memory.
The operating conditions at which a malfunction was stored will be reset.
All adaptation values.
The test results of all diagnostic functions.

Procedure

Connect the diagnostic tester.
Switch the ignition to the "ON" position.
Select "Diagnostic Mode 03: Interrogating fault memory ".
Then select "Mode 4: Reset/delete diagnostic data".

The diagnostic tester will display: "Diagnostic data are being erased".

Switch the ignition off.
End of diagnosis.