MAIN BODY ECU INSTALLATION

CAUTION / NOTICE / HINT

Note


  • Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

  • After the main body ECU (multiplex network body ECU) has been replaced, the automatic light control system will not operate until the engine is started.

PROCEDURE


  1. INSTALL MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Note


    • Make sure that the connecting surfaces are free of foreign matter.

    • Do not touch the main body ECU (multiplex network body ECU) connector.


    1. B0089GVC01
      *a 20° or more
      *b Housing Sidewall
      B00847Z Set in this Direction

      Set the main body ECU (multiplex network body ECU) to the position where the guide of the main body ECU (multiplex network body ECU) contacts the housing sidewall of the instrument panel junction block assembly as shown in the illustration.

      Tech Tips

      Make sure to keep the angle at 20° or more as shown in the illustration.

    2. B0083TTC01
      *a Housing Sidewall
      B00847Z Slide in this Direction

      Slide the main body ECU (multiplex network body ECU) along the housing sidewall as shown in the illustration and engage the 2 guides.

    3. B0084L3C01
      *a Side A
      B00847Z Install in this Direction

      While keeping the main body ECU (multiplex network body ECU) in contact with side A of the instrument panel junction block assembly (axis of rotation), lower it as shown in the illustration.

    4. B0086RUC01
      *1 Instrument Panel Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      B0087TV Push Area

      Press the push area until the claw engages to install the main body ECU (multiplex network body ECU).

      Note


      • Make sure to press only the push area.

      • Confirm the engagement of the main body ECU (multiplex network body ECU) and instrument panel junction block assembly by listening for the click sound of the lock engaging.

      Tech Tips

      If a click sound cannot be heard, visually check the engagement of the lock. The engagement can also be confirmed if the main body ECU (multiplex network body ECU) and instrument panel junction block assembly are flush.

  2. INSTALL WIRING HARNESS CLAMP BRACKET


    1. Engage the guide.

    2. Install the wiring harness clamp bracket with the nut.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }

  3. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU


    1. for LHD:


      1. B0086SJC01
        B00847Z Install in this Direction

        Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.

        Note

        Be sure to connect the connector securely.

      2. Engage the clamp.

      3. Engage the clamp.

      4. B0087OSC01
        B00847Z Install in this Direction

        Engage the claw and guide to install the instrument panel junction block assembly with main body ECU.

      5. Install the 2 nuts.

        Torque:
        8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
      6. B00882XC01
        B00847Z Install in this Direction

        Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.

        Note

        Be sure to connect the connector securely.

      7. Engage the clamp.

      8. Connect each connector.

    2. for RHD:


      1. B0087Q1C01
        B00847Z Install in this Direction

        Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.

        Note

        Be sure to connect the connector securely.

      2. Engage the clamp.

      3. Engage the clamp.

      4. B0085E4C02
        B00847Z Install in this Direction

        Engage the claw and guide to install the instrument panel junction block assembly with main body ECU.

      5. Engage the clamp.

      6. Install the 2 nuts.

        Torque:
        8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
      7. B00882KC01
        B00847Z Install in this Direction

        Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.

        Note

        Be sure to connect the connector securely.

      8. Connect each connector.

  4. INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY (for LHD)

    Click here

  5. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (for LHD)

    Click here

  6. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  7. INSTALL INSTRUMENT PANEL FINISH PLATE GARNISH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  8. INSTALL NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  9. INSTALL NO. 1 METER HOOD CLUSTER (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

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

    Click here

  11. INSTALL INSTRUMENT SIDE PANEL LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  12. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  13. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  14. INSTALL FRONT DOOR SCUFF PLATE LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  15. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

    for 2AR-FE:

    Click here

    for A25A-FKS:

    Click here

    for 2GR-FKS:

    Click here

    for 6AR-FSE:

    Click here

  16. INSPECT SRS WARNING LIGHT

    Click here