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Installation [11/2023 - ]: 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. 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 power distribution box assembly as shown in the illustration.
      GTY937769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 20°or more
      *b Housing Sidewall
      Set in this Direction

      HINT: 

      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.
      GTY884636Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Housing Sidewall
      Slide in this Direction
    3. While keeping the main body ECU (multiplex network body ECU) in contact with side A of the power distribution box assembly (axis of rotation), lower it as shown in the illustration.
      GTY903047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Side A
      Install in this Direction
    4. Press the push area until the claw engages to install the main body ECU (multiplex network body ECU).
      GTY992190Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Power Distribution Box Assembly
      *2 Main Body ECU (Multiplex Network Body ECU)
      Push Area
      NOTE:
      • Make sure to press only the push area.
      • Confirm the engagement of the main body ECU (multiplex network body ECU) and power distribution box assembly by listening for the click sound of the lock engaging.

      HINT: 

      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 power distribution box assembly are flush.

  2. INSTALL POWER DISTRIBUTION BOX ASSEMBLY WITH MAIN BODY ECU 
    1. 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.
      GTY1180286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
      NOTE:

      Be sure to connect the connector securely.

    2. Connect the connector.
    3. Engage the clamp.
    4. Engage the clamp.
    5. Install the power distribution box assembly with main body ECU with the 2 nuts.

      Torque: 5.0 N.m (51 kgf/cm, 44 in.lbf) 

    6. Engage the 2 guides.
    7. Engage the 2 claws as shown in the illustration.
      GTY905060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    8. Connect the 2 connectors and raise the 2 lock levers to engage the 2 claws and lock the connector as shown in the illustration.
      GTY913980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
      NOTE:

      Be sure to connect the connector securely.

    9. Engage the 3 clamps.
    10. Connect each connector.
  3. INSTALL ECU INTEGRATION BOX LH 

    Refer to PROCEDURE - Step 2

  4. INSTALL VEHICLE APPROACHING SPEAKER CONTROLLER (for HV Model) 

    Refer to PROCEDURE - Step 1

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

    Refer to PROCEDURE - Step 3

  6. INSTALL INSTRUMENT PANEL SAFETY PAD 

    Refer to INSTALLATION [10/2022 - ]

  7. ECU CONFIGURATION 
    1. If the main body ECU (multiplex network body ECU) has been replaced, perform ECU configuration.

      Refer to ECU CONFIGURATION [11/2023 - ]

  8. PERFORM CODE REGISTRATION 
    1. for Gasoline Model:

      Refer to REGISTRATION [11/2023 - ]

    2. for HV Model:

      Refer to REGISTRATION [11/2023 - ]

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