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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Service Information >> 4WD Control Ecu >> Removal [04/2013 - ] >> Procedure

Removal [04/2013 - ]: 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 INITIALIZATION [04/2013 - 06/2014] , or refer to INITIALIZATION [06/2014 - 08/2015] , or refer to INITIALIZATION [08/2015 - 10/2016] , or refer to INITIALIZATION [10/2016 - 10/2017] , or refer to INITIALIZATION [10/2017 - 09/2020] , or refer to INITIALIZATION [09/2020 - 11/2021] , or refer to INITIALIZATION [11/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - 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 [04/2013 - 06/2014] , or refer to INITIALIZATION [06/2014 - 08/2015] , or refer to INITIALIZATION [08/2015 - 10/2016] , or refer to INITIALIZATION [10/2016 - 10/2017] , or refer to INITIALIZATION [10/2017 - 09/2020] , or refer to INITIALIZATION [09/2020 - 11/2021] , or refer to INITIALIZATION [11/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ]

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

    Refer to PROCEDURE - Step 23 [04/2013 - 10/2016] , or refer to PROCEDURE - Step 23 [10/2016 - 10/2017] , or refer to PROCEDURE - Step 23 [10/2017 - 09/2020] , or refer to PROCEDURE - Step 24 [09/2020 - ]

  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.