MAIN BODY ECU REMOVAL

PROCEDURE


  1. PRECAUTION

    Note

    If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

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

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  3. DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY (for LHD)

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  4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY (for LHD)

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  5. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

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  6. REMOVE INSTRUMENT PANEL FINISH PANEL END LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

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  7. REMOVE FRONT NO. 1 CONSOLE BOX INSERT (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

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  8. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

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  9. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for LHD)


    1. A0021RJ

      Disconnect each connector.

    2. A00229R

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

    3. A002199

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

    4. A0022CPC01
      B003XUN Bolt
      B003YHT Nut

      Remove the bolt and 2 nuts, and disconnect the wiring harness clamp bracket.

    5. Pull out the instrument panel junction block assembly with main body ECU.

    6. A0020XX

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

    7. w/ Connector Lock:


      1. A0022DD

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

    8. A00225L

      Disengage the claw and disconnect the connector as shown in the illustration and remove the instrument panel junction block assembly with main body ECU.

  10. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for RHD)


    1. A00239E

      Disconnect each connector.

    2. A00209Y

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

    3. A0020X6

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

    4. A0020W1C03
      B003XUN Bolt
      B003YHT Nut

      Remove the bolt and nut, and pull out the instrument panel junction block assembly with main body ECU.

    5. A00214G

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

    6. w/ Connector Lock:


      1. A0022MW

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

    7. A0020N8

      Disengage the claw and disconnect the connector as shown in the illustration and remove the instrument panel junction block assembly with main body ECU.

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


    1. A0022U1C01
      *1 Instrument Panel Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)

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

    2. A0022FSC01
      *a Protective Tape

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

      Note


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

      • Do not insert the screwdriver under the connector socket of the main body ECU (multiplex network body ECU).

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

      Note

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

    4. A0022UVN01

      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 main body ECU (multiplex network body ECU) connector.