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

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

  1. PRECAUTION 
    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 notices 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 CABLE FROM 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 TOOL BOX 

    Refer to PROCEDURE - Step 27

  5. REMOVE LUGGAGE COMPARTMENT FLOOR MAT 

    Refer to PROCEDURE - Step 23

  6. REMOVE LOWER INNER LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 28

  7. REMOVE BATTERY CARRIER CATCH BRACKET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 20

  8. REMOVE REAR STEERING CONTROL ECU 
    1. Disconnect the 3 connectors from the rear steering control ECU.

      HINT: 

      When disconnecting the connector with lock lever, pull out the lock of the lock lever and turn the lock lever as shown in the illustration.

      GTY831656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Lock of the Lock Lever
      *b Lock Lever
    2. Disengage the clamp.
    3. Remove the 3 nuts and rear steering control ECU.
      GTY799291Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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