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HOMESERVICE MANUALSTOYOTA2025SEQUOIA CAPSTONEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 241 (STEERING CONTROL SYSTEM - SERVICE INFORMATION)STEERING CONTROL ECUREMOVAL [09/2014 - ]PROCEDURE
2025 Toyota Sequoia Capstone

Removal [09/2014 - ]: Procedure

2025 Toyota Sequoia CapstoneSECTION Procedure
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, 2023 Lexus RC 300, and 2022 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECAUTION 

    Refer to PRECAUTION [09/2014 - 11/2017] , or refer to PRECAUTION [11/2017 - 10/2018] , or refer to PRECAUTION [10/2018 - 10/2022] , or refer to PRECAUTION [10/2022 - ]

  2. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [09/2014 - ]

  3. REMOVE INSTRUMENT PANEL FINISH PANEL END RH 

    Refer to PROCEDURE - Step 3 [09/2014 - 10/2018] , or refer to PROCEDURE - Step 3 [10/2018 - ]

  4. REMOVE FRONT NO. 2 CONSOLE BOX INSERT 

    Refer to PROCEDURE - Step 7 [09/2014 - 10/2018] , or refer to PROCEDURE - Step 7 [10/2018 - ]

  5. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY 

    Refer to PROCEDURE - Step 25 [09/2014 - 11/2017] , or refer to PROCEDURE - Step 25 [11/2017 - 10/2018] , or refer to PROCEDURE - Step 25 [10/2018 - 11/2019] , or refer to PROCEDURE - Step 25 [11/2019 - 10/2022] , or refer to PROCEDURE - Step 24 [10/2022 - ]

  6. REMOVE FRONT STEERING CONTROL ECU 
    1. Disconnect the 4 connectors from the front steering control ECU.
      GTY504808Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and front steering control ECU.
      GTY504822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.