| Select diagnosis function: |
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| On the display, press button “ 02 - access fault memory ”. |
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| If no defect was saved in the Engine control unit -J623-, the display will show “0 faults identified”. |
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| If faults were saved in the Engine control unit -J623-, these are shown, sequentially, on the display. |
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| On the display, press button “ 05 - erase fault memory”. |
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| Press function “06-End of issue”. |
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