ECM REMOVAL

CAUTION / NOTICE / HINT

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

Necessary Procedure After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) Stop and start system

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Memorize steering angle neutral point LKA/LDA system

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Parking support brake system*
Pre-collision system
Adaptive high beam system

    Lighting system (EXT)

  • Cornering lights
Variable gear ratio steering system

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Parking assist monitor system

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Panoramic View Monitor System

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Initialize Rear Door Sunshade System Rear door sunshade system

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Initialize power trunk lid system Power trunk lid system

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ECM Vehicle Identification Number (VIN) registration DTC P0630 is output

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Perform code registration Engine start See 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
*: When performing learning using the GTS.
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Note

After the engine switch is turned off, the navigation system requires approximately a minute to record various types of memory and settings. As a result, after turning the engine switch off, wait a minute or more before disconnecting the cable from the negative (-) battery terminal.

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PROCEDURE


  1. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

    Note

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

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  2. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

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  3. REMOVE ECM


    1. for LHD:


      1. B0069Q4C01
        B006EC9 Push
        B006FCW Raise

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

      2. B006A1E

        Remove the bolt and nut.

      3. Remove the ECM.

        Note

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

    2. for RHD:


      1. B006CEDC01
        B006EC9 Push
        B006FCW Raise

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

      2. B006GPF

        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. B0069PHC01
      *A for RHD
      *B for LHD

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

      Note

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

  5. REMOVE NO. 2 ECM BRACKET


    1. B0069ZEC01
      *A for RHD
      *B for LHD

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

      Note

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