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How To Erase Diagnostic Test Mode II (Self-Diagnostic Results)

  1. Set ECM in Diagnostic Test Mode II (Self-diagnostic results). Refer to HOW TO SET DIAGNOSTIC TEST MODE II (SELF-DIAGNOSTIC RESULTS) .
  2. Fully depress the accelerator pedal and keep it depressed for more than 10 seconds.

    The emission-related diagnostic information has been erased from the backup memory in the ECM.

  3. Fully release the accelerator pedal, and confirm the DTC 0000 is displayed.
    • If the battery is disconnected, the DTC will be lost from the backup memory within 24 hours. 
    • Do not erase the stored memory before starting trouble diagnoses. 
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