MAIN BODY ECU INSTALLATION

PROCEDURE


  1. 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. A01W4V1E02
      Text in Illustration
      *a Housing Sidewall
      *b 20° or more

      Insert the main body ECU (multiplex network body ECU) up to the position where it contacts the housing sidewall of the guide as shown in the illustration.

      Tech Tips

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

    2. A01W1EWE02
      Text in Illustration
      *a Housing Sidewall
      *b Instrument Panel Junction Block Assembly Fuse

      Slide the guide of the main body ECU (multiplex network body ECU) along the housing sidewall so that it contacts the instrument panel junction block assembly fuses as shown in the illustration.

    3. A01W3SPE01
      Text in Illustration
      *a Side A Contact Portion

      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), rotate it downward as shown in the illustration.

    4. A01W0ARE02
      Text in Illustration
      *1 Instrument Panel Junction Block Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      *a 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 lock sound.

      Tech Tips

      If a lock sound cannot be heard, visually check the lock part engagement. 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 (for LHD)


    1. Engage the guide.

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

      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. A01W4EV

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      2. A01VZ6N

        Engage the claw to lock the connector lock as shown in the illustration.

      3. A01W1XP

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

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

        Torque:
        8.0 N*m  { 82 kgf*cm, 71 in.*lbf }
      5. A01W5BS

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      6. A01VZJJ

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      7. Connect each connector.

    2. for RHD:


      1. A01W017

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      2. A01W4QI

        Engage the claw to lock the connector lock as shown in the illustration.

      3. A01VZZI

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      4. 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 }
      5. A01W171

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      6. A01VZO7

        Engage the claw to connect the connector as shown in the illustration.

        Note

        Be sure to engage the connector securely.

      7. Connect each connector.

  4. INSTALL ENGINE STOP AND START ECU ASSEMBLY (for LHD)

    w/ Stop And Start System: 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 BOX DOOR COVER (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD Click here.

  8. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (for RHD)

    Tech Tips

    Use the same procedure for RHD and LHD Click here.

  9. REGISTRATION

    Note

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