ECM REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the ECM removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part Necessary Procedure Effect/Inoperative Function when Necessary Procedures are not Performed Link
Disconnect cable from negative battery terminal Memorize steering angle neutral point Lane-keeping assist system

Click here

Pre-collision system
Parking assist monitor system

Click here

Steering sensor zero point calibration Variable gear ratio steering system

Click here

ECM Vehicle Identification Number (VIN) registration DTC P0630 is output
Perform code registration Engine start Refer to the Service Bulletin for the registration method

    If possible, read the transmission compensation code from the previous ECM

  • Transfer transmission compensation code (step 2)*1

  • Perform road test to allow ECM to learn

  • Large shift shock

  • Engine overruns

    If impossible, the transmission compensation code cannot be read from the previous ECM

  • Set transmission compensation code (step 1)*2

  • Perform road test to allow ECM to learn

Note


  • Perform the Vehicle Identification Number (VIN) registration when replacing the ECM.


  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

PROCEDURE


  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Click here

  2. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

    Click here

  3. REMOVE ECM


    1. for LHD:


      1. B000Y3YC01
        B000TT4 Push
        B000YI8 Raise

        Push in the locks on the 2 levers, raise the 2 levers, and disconnect the 2 ECM connectors.

      2. B000XNY

        Remove the bolt and nut.

      3. Remove the ECM.

        Note

        If the ECM has been struck or dropped, replace it.

    2. for RHD:


      1. B000WEUC01
        B000TT4 Push
        B000YI8 Raise

        Push in the locks on the 2 levers, raise the 2 levers, and disconnect the 2 ECM connectors.

      2. B000TXD

        Remove the bolt and nut.

      3. Remove the ECM.

        Note

        If the ECM has been struck or dropped, replace it.

  4. REMOVE NO. 1 ECM BRACKET


    1. B000V7ZC01
      *A for RHD
      *B for LHD

      Remove the 2 screws and No. 1 ECM bracket from the ECM.

  5. REMOVE NO. 2 ECM BRACKET


    1. B000UH9C01
      *A for RHD
      *B for LHD

      Remove the 2 screws and No. 2 ECM bracket from the ECM.