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Installation [12/2012 - 08/2016]: Procedure

  1. INSTALL MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU) 
    NOTE:
    • If the multiplex network body ECU (main body ECU) is replaced, replace it with a new one.
    • Make sure that no foreign matter gets on the connecting surfaces.
    • Do not touch the ECU connector.
    1. Insert the multiplex network body ECU (main body ECU) up to the position where it contacts the housing sidewall of the guide as shown in the illustration.
      GTY383226Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Housing Sidewall
      *a 20°

      HINT: 

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

    2. Slide the guide of the multiplex network body ECU (main body ECU) along the housing sidewall so that it contacts the junction block fuses as shown in the illustration.
      GTY366595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Housing Sidewall
      *2 Junction Block Fuse
    3. While keeping the multiplex network body ECU (main body ECU) in contact with side A of the junction block (axis of rotation), rotate it downward as shown in the illustration.
      GTY374819Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Side A Contact Portion
    4. Press the push area until the claw engages to install the multiplex network body ECU (main body ECU).
      GTY382954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Push Area
      NOTE:
      • Make sure to press only the push area.
      • Confirm the engagement of the multiplex network body ECU (main body ECU) and junction block by listening for the lock sound.

      HINT: 

      If a lock sound cannot be heard, visually check the lock part engagement. The engagement can also be confirmed if the multiplex network body ECU (main body ECU) and junction block are flush.

  2. INSTALL INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    1. Install the instrument panel junction block assembly with the 2 bolts.

      Torque: 3.2 N*m (33 kgf*cm, 28 in.*lbf) 

    2. Connect the connectors.
  3. INSTALL LOWER INSTRUMENT PANEL 

    Refer to INSTALLATION [12/2012 - 08/2016]

  4. INSTALL UPPER INSTRUMENT PANEL SUB-ASSEMBLY 

    Refer to INSTALLATION [12/2012 - 10/2015] Refer to INSTALLATION [10/2015 - ]

  5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

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

    Refer to INITIALIZATION [12/2012 - 10/2015] Refer to INITIALIZATION [10/2015 - 08/2016]

  6. CHECK SRS WARNING LIGHT 

    Refer to DIAGNOSIS SYSTEM [12/2012 - ]

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