LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Steering >> Power Steering >> 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

  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]