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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System - Service Information >> Steering Control Ecu >> Removal [12/2017 - 09/2018] >> Procedure

Removal [12/2017 - 09/2018]: Procedure

  1. PRECAUTION 

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

    WARNING:

    Be sure to read Precaution thoroughly before servicing.

    GTY824211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    NOTE:

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notice before proceeding with work.

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

  2. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 24

  3. DISCONNECT NEGATIVE BATTERY TERMINAL 

    Refer to PROCEDURE - Step 3

    NOTE:

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

    Refer to INITIALIZATION [12/2017 - 09/2018]

  4. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [12/2017 - 09/2018]

  5. REMOVE INSTRUMENT SIDE PANEL LH 

    Refer to PROCEDURE - Step 7

  6. REMOVE LOWER NO. 1 INSTRUMENT PANEL PAD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 14

  7. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY 

    Refer to PROCEDURE - Step 21

  8. REMOVE GLOVE COMPARTMENT DOOR PAD PLATE 

    Refer to PROCEDURE - Step 29

  9. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY 

    Refer to PROCEDURE - Step 30

  10. REMOVE FRONT STEERING CONTROL ECU 
    1. Fold back the floor carpet.
    2. Disconnect the 4 connectors from the front steering control ECU.
      GTY799463Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 nuts and front steering control ECU.
      GTY799467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002