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

Installation [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. INSTALL FRONT STEERING CONTROL ECU 
    1. Install the front steering control ECU with the 2 bolts.

      Torque: 8.5 N.m (87 kgf/cm, 75 in.lbf) 

      HINT: 

      Align the positioning boss of the blower assembly with the hole of the front steering control ECU.

    2. Connect the 4 connectors to the front steering control ECU.
  2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY 

    Refer to PROCEDURE - Step 18 [09/2014 - 11/2017] , or refer to PROCEDURE - Step 18 [11/2017 - 10/2018] , or refer to PROCEDURE - Step 18 [10/2018 - 11/2019] , or refer to PROCEDURE - Step 18 [11/2019 - 10/2022] , or refer to PROCEDURE - Step 19 [10/2022 - ]

  3. INSTALL FRONT NO. 2 CONSOLE BOX INSERT 

    Refer to PROCEDURE - Step 6 [09/2014 - 10/2018] , or refer to PROCEDURE - Step 6 [10/2018 - ]

  4. INSTALL INSTRUMENT PANEL FINISH PANEL END RH 

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

  5. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to INSTALLATION [09/2014 - ]

  6. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION 

    Refer to CALIBRATION [09/2014 - 09/2020] , or refer to CALIBRATION [09/2020 - ]

RENDER: 1.0x

NO RELATED

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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.