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Removal [10/2022 - 08/2023]: Procedure

  1. PRECAUTION 
    NOTE:
    • Do not remove the main body ECU (multiplex network body ECU) except when replacing it.
    • When removing the main body ECU (multiplex network body ECU), always replace it with a new one.
  2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    1. for T24A-FTS (for Gasoline Model):

      Refer to REMOVAL [10/2022 - ]

    2. for T24A-FTS (for 1Motor-HEV Model):

      Refer to REMOVAL [10/2022 - ]

    3. for A25A-FXS:

      Refer to REMOVAL [10/2022 - 08/2023]

  3. REMOVE FRONT DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 16

  4. REMOVE COWL SIDE TRIM BOARD LH 

    Refer to PROCEDURE - Step 17

  5. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 10

  6. REMOVE NO. 2 INSTRUMENT SIDE PANEL 
    Refer to PROCEDURE - Step 11
  7. REMOVE FUSE BOX OPENING COVER 
    Refer to PROCEDURE - Step 13
  8. REMOVE NO. 2 CONSOLE UPPER PANEL GARNISH 

    Refer to PROCEDURE - Step 2

  9. REMOVE NO. 1 CONSOLE UPPER PANEL GARNISH 

    Refer to PROCEDURE - Step 3

  10. REMOVE CENTER INSTRUMENT PANEL REGISTER ASSEMBLY 
    Refer to PROCEDURE - Step 6
  11. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY 

    Refer to PROCEDURE - Step 14

  12. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 
    Refer to PROCEDURE - Step 12
  13. REMOVE NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY 
    1. GTY1136867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE ECU INTEGRATION BOX LH WITH POWER DISTRIBUTION BOX ASSEMBLY 
    NOTE:

    When disconnecting a wire harness of any component connected to the supply power of the integrated capacitor (integration control supply) or when removing the integrated capacitor (integration control supply), make sure to wait 5 minutes or more after turning the ignition switch off for self-diagnosis to complete and the voltage of the integrated capacitor (integration control supply) to discharge.
    1. for Gasoline Model 
      GTY1137497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock Lever - -
      Remove in this Direction - -
      1. Disconnect each connectors.
      2. Disengage each claws and pull down each lock levers and disconnect each connectors.
      3. Disengage each clamps.
    2. except Gasoline Model 
      GTY1134558Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock Lever - -
      Remove in this Direction - -
      1. Disconnect each connectors.
      2. Disengage each claws and pull down each lock levers and disconnect each connectors.
      3. Disengage each clamps.
    3. GTY1137216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the bolt, 2 nuts and remove the ECU integration box LH with power distribution box assembly.
  15. REMOVE POWER DISTRIBUTION BOX ASSEMBLY 
    1. GTY985256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. REMOVE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 
    1. GTY1071886Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 POWER DISTRIBUTION BOX *2 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
      *a Internal Connector *b Protective Tape
      Push in this Direction Insert in this Direction
      Rotate in this Direction Remove in this Direction
      1. Remove the main body ECU (multiplex network body ECU) using the following procedure.

        1. Press the lock of the power distribution box and release the lock of the main body ECU (multiplex network body ECU) as shown in the illustration.

        2. While pressing the lock, horizontally insert a thin-bladed screwdriver with its tip wrapped with protective tape between the main body ECU (multiplex network body ECU) and power distribution box (near the internal connector).

        3. When the thin-bladed screwdriver with its tip wrapped with protective tape is inserted, the internal connector lock is released.

        NOTE:

        Replace the power distribution box when the connector terminal, the locking section, or the case is damaged or deformed.

        4. Hold the rib of the main body ECU (multiplex network body ECU).

        5. While rotating the main body ECU (multiplex network body ECU), completely release the lock.

        6. Remove the main body ECU (multiplex network body ECU) from the power distribution box.

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