Clear Trouble Code: It allows to clear current and historical
trouble codes memory in ECU, under the premise that all the
troubles are eliminated.
Fig 4-7
The trouble codes can’t be erased without eliminating all the
troubles, which will cause the diagnostic tool always reading the
trouble code because the code will always be saved in ECU.
Suggestion: users should better not to clear trouble codes, we
need record the trouble details after reading code, which is
provided as reference for maintenance. After dealing with troubles,
there will be no trouble code when we re-read.
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