Posted in MMC L200

P0607 – Engine-ECU (sub CPU) Malfunction MMC L200 IV

 Posted by  Posted on September 28, 2020

FUNCTION

  • The main microcomputer detects errors in the sub microcomputer used for monitoring.

    • TROUBLE JUDGEMENT

  • 2 seconds later after the ignition switch has been in “ON” position or the engine has started up.
  • Battery positive voltage is 10 V or more
  • The main microcomputer detects a main microcomputer error.

    • PROBABLE CAUSE

  • Failed engine-ECU

    • DIAGNOSIS PROCEDURE

    STEP 1. M.U.T.-III diagnosis code

  • After erasing the diagnosis code through M.U.T.-III, ignition switch is “ON” position and confirm whether the diagnosis code is stored.

    • Q. Is the diagnosis code stored?

    Author: admin