MAIN BODY ECU REMOVAL


  1. PRECAUTION

    CAUTION:

    Be sure to read Precaution thoroughly before servicing Click here.

    Note

    After turning the ignition 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. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    CAUTION:

    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

    Note

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

  3. REMOVE FRONT PANEL GARNISH LH (for TMC, TMMR Made)


    1. B000IYJ

      Disengage the 3 clips and 8 guides to remove the front panel garnish LH as shown in the illustration.

  4. REMOVE FRONT DOOR SCUFF PLATE LH (for TMC, TMMR Made)


    1. B000N47

      Disengage the 10 claws and remove the front door scuff plate LH.

  5. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH (for TMC, TMMR Made)


    1. B000MCM

      Remove the clip.

    2. Disengage the 2 clips and remove the cowl side trim sub-assembly LH.

  6. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH (for TMC, TMMR Made)


    1. B000HXQ

      Disconnect the front door opening trim weatherstrip LH.

  7. REMOVE INSTRUMENT SIDE PANEL LH (for TMC, TMMR Made)


    1. B000HH8

      Using a moulding remover, disengage the 4 claws as shown in the illustration.

    2. B000MY7

      Disengage the 3 guides and remove the instrument side panel LH as shown in the illustration.

  8. DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY (for TMC, TMMR Made LHD)


    1. B000H4N

      Disengage the claw and 2 guides to disconnect the hood lock control lever sub-assembly.

  9. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY (for TMC, TMMR Made LHD)


    1. B000MW9

      Remove the 2 bolts <B>.

    2. w/o Driver Side Knee Airbag:


      1. B000KQ0

        Disengage the 5 clips and 3 guides to remove the instrument panel sub-assembly.

    3. w/ Driver Side Knee Airbag:


      1. B000KAO

        Disengage the 4 claws, 7 clips and 3 guides to remove the instrument panel sub-assembly.

  10. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIR BAG ASSEMBLY (for TMC, TMMR Made LHD)

    w/ Driver Side Knee Airbag: Click here

  11. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIR BAG ASSEMBLY (for TMMK Made)

    Click here

  12. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (for LHD)


    1. B000IBJ

      Disconnect the 5 connectors.

    2. B000MZP

      Remove the bolt, 2 nuts and disconnect the instrument panel junction block assembly.

    3. B000NH0

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

    4. B000LBZ

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

    5. B000LNC

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

    6. Remove the instrument panel junction block assembly.

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


    1. B000LGW

      Disengage the 4 claws.

    2. Disengage the 2 guides.

    3. Disconnect the connector to remove the No. 2 instrument panel under cover sub-assembly.

  14. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY (for RHD)


    1. B000M27

      Remove the bolt <B> and screw <C>.

    2. Open the lower instrument panel door.

    3. B000NBB

      Remove the 3 screws <C>.

    4. B000ILS

      Disengage the 2 clips, 4 guides and remove the lower instrument panel sub-assembly as shown in the illustration.

  15. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (for RHD)


    1. B000N0X

      Disconnect the 5 connectors.

    2. B000MQR

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

    3. B000K5O

      Remove the nut.

    4. Disengage the claw as shown in the illustration and remove the wiring harness clamp bracket.

    5. B000NH0

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

    6. B000LBZ

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

    7. B000LNC

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

    8. Remove the instrument panel junction block assembly.

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


    1. B000L5HE03
      Text in Illustration
      *1 Main Body ECU (Multiplex Network Body ECU)
      *2 Claw of Driver Side Junction Block
      *3 Protective Tape

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

    2. 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. B000KRQE02
      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 insert the screwdriver opening between the junction block and the connector of the main body ECU (multiplex network body ECU).

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

    4. B000HJNE02

      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.