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. B005QFBC02
      *a 20°or more
      *b Housing Sidewall
      B005OOA 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. B005LA3C02
      *a Housing Sidewall
      B005OOA 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. B005NSZC03
      *a Side A
      B005OOA 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. B005Q9EC02
      *1 Instrument Panel Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      B005M97 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 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for LHD)


    1. B005PVJC01
      B005OOA Install in this Direction

      Connect the 2 connectors and push down 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. Install the instrument panel junction block assembly with main body ECU with the 2 nuts.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
    4. B005Q5ZC01
      B005OOA 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.

    5. Connect each connector.

  3. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU (for RHD)


    1. B005OSAC01
      B005OOA Install in this Direction

      Connect the 2 connectors and push down 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. Install the instrument panel junction block assembly with main body ECU with the bolt and nut.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
    4. B005OQOC01
      B005OOA 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.

    5. Connect each connector.

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

    Click here

  5. CONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY (for LHD)

    Click here

  6. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (for LHD)

    Click here

  7. INSTALL COWL SIDE TRIM BOARD LH (for LHD)

    Click here

  8. INSTALL FRONT DOOR SCUFF PLATE LH (for LHD)

    Click here

  9. INSTALL INSTRUMENT PANEL GARNISH LH (for LHD)

    Click here

  10. INSTALL ECU INTEGRATION BOX LH (for RHD)

    Click here

  11. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  12. INSTALL LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

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

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  14. INSTALL COWL SIDE TRIM BOARD LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

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

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  16. INSTALL INSTRUMENT PANEL GARNISH LH (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD.

    Click here

  17. CONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Note

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

    Click here