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. A0007IGE02
      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. A0009FWE02
      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. A0007ZVE01
      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. A0008U7E02
      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. A0006E3

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

        Note

        Be sure to engage the connector securely.

      2. A00068H

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

      3. A00091D

        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. A0009D9

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

        Note

        Be sure to engage the connector securely.

      6. A0008SV

        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. A00084W

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

        Note

        Be sure to engage the connector securely.

      2. A0008VP

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

      3. A0009MZ

        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. A000435

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

        Note

        Be sure to engage the connector securely.

      6. A00082G

        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 HYBRID VEHICLE CONTROL ECU ASSEMBLY

    Click here

  5. REGISTRATION

    Note

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