P1625 – Injection Quantity Compensation Value Error MMC L200 IV



FUNCTION

  • Correction data of the injector built in the engine is written to the engine-ECU.
  • The engine-ECU checks whether the correction data thus written is valid.

  • TROUBLE JUDGMENT

  • Ignition switch is in “ON” position.
  • An error is detected during three-side majority decision check or upper/lower limit check of an injector correction value.

  • PROBABLE CAUSE

  • Failed engine-ECU

  • DIAGNOSIS PROCEDURE

    STEP 1. Injector identification code data check

  • Check whether injector identification code data is correctly written to the engine-ECU in M.U.T.-III.
  • Q. Is the check result normal?

    STEP 2. Rewrite the injector identification code data again.

  • After rewriting the injector identification code data again, recheck for abnormal symptoms.
  • Q. Does trouble symptom persist?

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