LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> LC 500h >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System - Service Information >> Steering Control Ecu >> Installation [01/2017 - 05/2023] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation [01/2017 - 05/2023]: Procedure

  1. INSTALL FRONT STEERING CONTROL ECU 
    1. Install the front steering control ECU with the 2 nuts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

    2. Connect the 4 connectors to the front steering control ECU.
    3. Return the floor carpet to its original position.
  2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY 

    Refer to PROCEDURE - Step 15 [01/2017 - 06/2019] , or refer to PROCEDURE - Step 15 [06/2019 - 04/2020] , or refer to PROCEDURE - Step 15 [04/2020 - 05/2023]

  3. INSTALL NO. 2 INSTRUMENT PANEL GARNISH SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 27 [01/2017 - 06/2019] , or refer to PROCEDURE - Step 27 [06/2019 - 04/2020] , or refer to PROCEDURE - Step 27 [04/2020 - 05/2023]

  4. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to INSTALLATION [01/2017 - 05/2023]

  5. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

    NOTE:

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

    Refer to INITIALIZATION [01/2017 - 04/2020] , or refer to INITIALIZATION [04/2020 - 05/2023]

  6. INSTALL NO. 2 DECK BOARD 

    Refer to PROCEDURE - Step 13 [01/2017 - 01/2021] , or refer to PROCEDURE - Step 13 [01/2021 - 05/2023]

  7. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION 

    Refer to CALIBRATION [01/2017 - ]