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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Transfer Case - Service Information) >> 4WD Control Ecu >> Removal [08/2016 - 12/2017] >> Procedure

Removal [08/2016 - 12/2017]: 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 PRECAUTION [09/2015 - 12/2017]

  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 [08/2016 - 12/2017]

  3. REMOVE FRONT DOOR SCUFF PLATE RH 

    Refer to PROCEDURE - Step 15

  4. REMOVE COWL SIDE TRIM BOARD RH 

    Refer to PROCEDURE - Step 25

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

    Refer to PROCEDURE - Step 26

  6. REMOVE 4WD ECU ASSEMBLY 
    1. Disconnect the 4WD ECU assembly connector.
      GTY665967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and 4WD ECU assembly.
      GTY684297Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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