MAIN BODY ECU INSTALLATION

PROCEDURE


  1. PRECAUTION (w/ Smart Entry and Start System)

    Note

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

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

    Note


    • Make sure that no foreign matter gets on the connecting surfaces.

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


    1. 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.

      A002ASAC01
      *A for LHD *B for RHD
      *a 20° or more *b Housing Sidewall

      Tech Tips

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

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

      A0028WWC01
      *A for LHD *B for RHD
      *a Housing Sidewall - -

    3. 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.

      A0026XOC01
      *A for LHD *B for RHD
      *a Side A - -

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

      A0027BPC02
      *A for LHD *B for RHD
      *1 Instrument Panel Junction Block Assembly *2 Main Body ECU (Multiplex Network Body ECU)
      *a Push Area - -

      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.

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


    1. A0029PG

      Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    2. A00298P

      Slide the connector lock to engage the claw as shown in the illustration.

    3. A002BF7

      Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    4. A00270G

      Engage the clamp as shown in the illustration.

    5. A002AO4

      Install the instrument panel junction block assembly with main body ECU with the 2 nuts.

    6. Engage the clamp.

    7. A0029MB

      Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    8. A002CLJ

      Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    9. Connect each connector.

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


    1. A0029X4

      Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    2. A002A6Q

      Slide the connector lock to engage the claw as shown in the illustration.

    3. A002AAQ

      Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    4. A002BLO

      Engage the guide and claw to connect the connector holder as shown in the illustration.

    5. A0027HT

      Engage the clamp as shown in the illustration.

    6. A00287QC01
      B003ZIE Bolt
      B003Z8F Nut

      Install the instrument panel junction block assembly with main body ECU with the 2 bolts and nut.

    7. A0028AR

      Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    8. A002CAX

      Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.

      Note

      Be sure to connect the connector securely.

    9. Connect each connector.

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

    Click here

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

    Click here

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

    Click here

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

    Click here

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

    Click here

  10. INSTALL INSTRUMENT PANEL FINISH PANEL END LH

    Click here

  11. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP LH

    Click here

  12. INSTALL COWL SIDE TRIM SUB-ASSEMBLY LH

    Click here

  13. INSTALL FRONT DOOR SCUFF PLATE LH

    Click here

  14. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

    Note

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

    Click here