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Home >> Lexus >> 2019 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Transfer Case System - Service Information) >> 4WD Control Ecu >> Removal [09/2014 - ] >> Procedure
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Removal [09/2014 - ]: Procedure

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  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 INITIALIZATION [09/2014 - 10/2015] , or refer to INITIALIZATION [10/2015 - 11/2017] , or refer to INITIALIZATION [11/2017 - 10/2018] , or refer to INITIALIZATION [10/2018 - 09/2020] , or refer to INITIALIZATION [09/2020 - 10/2022] , or refer to INITIALIZATION [10/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    NOTE:

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

    Refer to INITIALIZATION [09/2014 - 10/2015] , or refer to INITIALIZATION [10/2015 - 11/2017] , or refer to INITIALIZATION [11/2017 - 10/2018] , or refer to INITIALIZATION [10/2018 - 09/2020] , or refer to INITIALIZATION [09/2020 - 10/2022] , or refer to INITIALIZATION [10/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

  3. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 23 [09/2014 - 11/2017] , or refer to PROCEDURE - Step 23 [11/2017 - 10/2018] , or refer to PROCEDURE - Step 23 [10/2018 - 11/2019] , or refer to PROCEDURE - Step 23 [11/2019 - 10/2022] , or refer to PROCEDURE - Step 22 [10/2022 - ]

  4. REMOVE 4WD ECU ASSEMBLY 
    1. Disconnect the 4WD ECU assembly connector.
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    2. Remove the bolt and 4WD ECU assembly from the blower assembly.