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Installation [09/2014 - ]: 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 instrument panel junction block assembly as shown in the illustration.
      GTY518705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 20°or more
      *b Housing Sidewall

      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.
      GTY507980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *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.
      GTY512342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Side A
    4. Press the push area until the claw engages to install the main body ECU (multiplex network body ECU).
      GTY506768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *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.

      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 instrument panel junction block assembly are flush.

  2. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 
    1. Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.
      GTY502332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be sure to connect the connector securely.

    2. w/ Connector Lock:
      1. Slide the connector lock to engage the claw as shown in the illustration.
        GTY502334Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the connector and push down the lock lever to engage the claw and lock the connector as shown in the illustration.
      GTY502335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be sure to connect the connector securely.

    4. Engage the guide.
      GTY512081Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Nut
    5. Install the instrument panel junction block assembly with main body ECU and wiring harness clamp bracket with the bolt and 2 nuts.

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

    6. Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.
      GTY502381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be sure to connect the connector securely.

    7. Connect the connector and raise the lock lever to engage the claw and lock the connector as shown in the illustration.
      GTY502388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Be sure to connect the connector securely.

    8. Connect each connector.
  3. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to INSTALLATION [09/2014 - ]

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