MAIN BODY ECU INSTALLATION

CAUTION / NOTICE / HINT

Note

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

Tech Tips


  • Use the same procedure for RHD and LHD vehicles.

  • The procedure listed below is for LHD vehicles.

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. B000UUSC01
      *a Housing Sidewall
      *b 20° or more
      *c Guide
      B000WYJ Install 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 driver side 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. B000U0AC01
      *a Housing Sidewall
      *b Guide
      B000WYJ Install in this Direction

      Slide the main body ECU (multiplex network body ECU) along the housing sidewall as shown in the illustration and attach the guide.

    3. B000UMOC01
      *a Side A
      B000WYJ Install in this Direction

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

      Note


      • Do not force the main body ECU (multiplex network body ECU) into the junction block assembly.

      • Do not forcibly fold the main body ECU (multiplex network body ECU) down.

    4. B000XNRC01
      *1 Driver Side Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      *a Push Area
      B000WYJ Install in this Direction

      Press down on 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 driver side junction block assembly by listening for the click sound of the lock engaging.

      • Do not hit or put your weight on the main body ECU (multiplex network body ECU) when engaging the main body ECU (multiplex network body ECU).

      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 driver side junction block assembly are flush.

    5. B000VO1C01
      B000XM7 Nut

      Attach the claw to install the wiring harness bracket.

    6. Install the nut.

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

  2. INSTALL DRIVER SIDE JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU


    1. B000Z8MC01
      B000TT4 Connector

      Connect the 2 connectors.

      Note

      Be sure to connect the connector securely.

    2. Attach the wire harness clamp.

    3. B000TOVC01
      B000TT4 Connector

      Connect the 7 connectors.

      Note

      Be sure to connect the connector securely.

    4. B000X00C01
      B000XM7 Nut

      Install the driver side junction block assembly with main body ECU with the 2 nuts.

      Torque:
      8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
    5. B000U6FC01
      B000XM7 Nut

      Connect the ECU with the 2 nuts.

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

  3. INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY

    Click here

  4. INSTALL FRONT FLOOR CARPET ASSEMBLY LH


    1. B000V44C01
      B000WYJ Install in this Direction

      Attach the guide to install a part of the front floor carpet assembly LH.

  5. INSTALL NO. 1 SIDE TRIM BRACKET

    Click here

  6. INSTALL HEATER TO REGISTER CENTER SUB DUCT

    Click here

  7. INSTALL NO. 2 AIR DUCT

    Click here

  8. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY

    Click here

  9. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

    Click here

    Note

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

    Click here

  10. PERFORM DIAGNOSTIC SYSTEM CHECK

    Click here

  11. CHECK SRS WARNING LIGHT

    Click here

  12. INSTALL NO. 2 DECK BOARD

    Click here