Work procedure

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Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .
Start engine and let run at idle.
In diagnostic function "33 - OBD", first select "Mode 3: Check DTC memory". See MODE 3: CHECK DTC MEMORY .
Then select "Mode 4: Reset/erase diagnostic data".
- Display: "Diagnostic data are being erased"

DTC memory is erased.

End diagnosis and switch ignition off.