MAIN BODY ECU REMOVAL

PROCEDURE


  1. PRECAUTION

    Note

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

  2. REMOVE DECK BOARD ASSEMBLY

    Click here

  3. REMOVE NO. 1 DECK BOARD

    Click here

  4. REMOVE NO. 2 DECK BOARD

    Click here

  5. REMOVE REAR DECK FLOOR BOX

    Click here

  6. REMOVE DECK FLOOR BOX RH

    Click here

  7. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

    Note

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

  8. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for LHD)

    Click here

  9. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY (for LHD)

    Click here

  10. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure as for LHD Click here.

  11. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure as for LHD Click here.

  12. REMOVE ECU INTEGRATION BOX LH (for RHD)

    Click here

  13. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. for LHD:


      1. B005Z5Y

        Disconnect each connector.

      2. B005Y0C

        Disengage the claw and disconnect the connector as shown in the illustration.

      3. B005XWY

        Disengage the claw and disconnect the connector as shown in the illustration.

      4. B005Y8O

        Remove the bolt and nut, and disconnect the instrument panel junction block assembly.

      5. B005XJD

        Disengage the 2 claws and disconnect the wiring harness protector.

    2. for RHD:


      1. B005YZC

        Disengage the 2 claws and disconnect the 2 connectors as shown in the illustration.

      2. B005XJ4

        Disconnect each connector.

      3. B005ZQ9

        Disengage the clamp.

      4. Remove the bolt and nut, and disconnect the instrument panel junction block assembly.

      5. B005Y7Q

        Disengage the clamp.

    3. B005Y8E

      Disengage the claw and disconnect the connector as shown in the illustration.

    4. B005YTO

      Disengage the claw and release the connector lock as shown in the illustration.

    5. B005ZQQ

      Disengage the claw and disconnect the connector, and remove the instrument panel junction block assembly.

  14. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


    1. B005YGJE03
      Text in Illustration
      *1 Main Body ECU (Multiplex Network Body ECU)
      *2 Claw of Driver Side Junction Block

      Press the claw of the junction block as shown in the illustration to release the lock.

    2. B005XEXE02
      Text in Illustration
      *1 Protective Tape

      With the junction block lock released, insert a screwdriver with its tip wrapped with protective tape horizontally between the main body ECU (multiplex network body ECU) and junction block.

      Note

      Use a screwdriver with a diameter of between 5.0 mm (0.197 in.) and 6.3 mm (0.248 in.) and a length of approximately 90 mm (3.54 in.).

    3. B005YPME02
      Text in Illustration
      *1 Protective Tape

      Using the screwdriver, carefully raise the main body ECU (multiplex network body ECU) up to the position where the connector becomes disengaged.

      Note

      Do not twist the screwdriver to raise the main body ECU (multiplex network body ECU).

    4. B005YCLE04

      Raise the main body ECU (multiplex network body ECU) as shown by the arrow (1), and then pull it out as shown by the arrow (2) in the illustration.

      Note

      Do not touch the ECU connector.