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. A005F3N

        Disconnect each connector.

      2. A005EBB

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

      3. A005CKV

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

      4. A005CMT

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

      5. A005CIB

        Disengage the 2 claws and disconnect the wiring harness protector.

    2. for RHD:


      1. A005DFT

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

      2. A005A33

        Disconnect each connector.

      3. A005E2P

        Disengage the clamp.

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

      5. A005DQ0

        Disengage the clamp.

    3. A005EXL

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

    4. A005EF0

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

    5. A005AKD

      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. A005ARGE03
      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. A005CLYE02
      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. A005E6ME02
      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. A005AVUE04

      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.