INTEGRATION RELAY(for Engine Room Side) 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 No. 1 semiconductor power integration ECU removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced
Replacement part or procedure Necessary procedures Effects/Inoperative when not performed Link
Disconnect cable from negative (-) battery terminal Memorize steering angle neutral point LKA/LDA system

Click here

Pre-collision system
Parking assist monitor system

Click here

Steering sensor zero point calibration Variable gear ratio steering system

Click here

PROCEDURE


  1. PRECAUTION

    Note

    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.

    Click here

  2. REMOVE NO. 2 DECK BOARD

    Click here

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Click here

  4. REMOVE RELAY BLOCK UPPER COVER (for LHD)


    1. B000YFRC01
      B000WYJ Remove in this Direction

      Detach the claw as shown in the illustration to remove the relay block upper cover.

  5. REMOVE RELAY BLOCK UPPER COVER (for RHD)


    1. B000YX5C01
      B000WYJ Remove in this Direction

      Detach the claw as shown in the illustration to remove the relay block upper cover.

  6. REMOVE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECU (for LHD)


    1. B000YC9C01
      B000WYJ Remove in this Direction

      Using a screwdriver, detach the claw.

      Tech Tips

      Tape the screwdriver tip before use.

    2. Pull up the No. 1 semiconductor power integration ECU.

      Note

      When pulling the No. 1 semiconductor power integration ECU, take care not to damage it.

    3. B000XKJC01
      *a Power Supply Connector
      *b Lever Connector
      B000TT4 Connector

      Disconnect the power supply connector and then the lever connector and remove the No. 1 semiconductor power integration ECU.

      Note


      • First disconnect the power supply connector.

      • Do not touch the No. 1 semiconductor power integration ECU connector.

      • When pulling the No. 1 semiconductor power integration ECU, take care not to damage it.

      • Do not use a No. 1 semiconductor power integration ECU that has been dropped or subjected to a strong shock.

  7. REMOVE NO. 1 SEMICONDUCTOR POWER INTEGRATION ECU (for RHD)


    1. B000XPXC01
      B000WYJ Remove in this Direction

      Using a screwdriver, detach the claw.

      Tech Tips

      Tape the screwdriver tip before use.

    2. Pull up the No. 1 semiconductor power integration ECU.

      Note

      When pulling the No. 1 semiconductor power integration ECU, take care not to damage it.

    3. B000Y5YC01
      *a Power Supply Connector
      *b Lever Connector
      B000TT4 Connector

      Disconnect the power supply connector and then the lever connector and remove the No. 1 semiconductor power integration ECU.

      Note


      • First disconnect the power supply connector.

      • Do not touch the No. 1 semiconductor power integration ECU connector.

      • When pulling the No. 1 semiconductor power integration ECU, take care not to damage it.

      • Do not use a No. 1 semiconductor power integration ECU that has been dropped or subjected to a strong shock.