LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2024 >> LS 500 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Steering Control System - Service Information) >> Steering Control Ecu >> Installation [12/2017 - 10/2020] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation [12/2017 - 10/2020]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 Lexus LS 500, 2022 Lexus LS 500, 2021 Lexus LS 500, 2020 Lexus LS 500, and 2019 Lexus LS 500. 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 nuts.

      Torque: 7.5 N.m (76 kgf/cm, 66 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 14

  3. INSTALL GLOVE COMPARTMENT DOOR PAD PLATE 

    Refer to PROCEDURE - Step 15

  4. INSTALL LWR INSTRUMENT PANEL FINISH PANEL ASSEMBLY 

    Refer to PROCEDURE - Step 23

  5. INSTALL LOWER NO. 1 INSTRUMENT PANEL PAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 30

  6. INSTALL INSTRUMENT SIDE PANEL LH 

    Refer to PROCEDURE - Step 33

  7. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to INSTALLATION [12/2017 - 10/2020]

  8. CONNECT NEGATIVE 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 [12/2017 - 09/2018] , or refer to INITIALIZATION [09/2018 - 10/2020]

  9. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  10. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION 

    Refer to CALIBRATION [12/2017 - 10/2023]