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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 >> Installation [12/2017 - ] >> Procedure

Installation [12/2017 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PRECAUTION 
    NOTE:

    When 4WD ECU assembly is replaced with a known good one from another vehicle, it is necessary to perform calibration.

    Refer to CALIBRATION [09/2015 - ]

  2. INSTALL 4WD ECU ASSEMBLY 
    1. Install the 4WD ECU assembly with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      GTY669445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Stopper
    2. Connect the 4WD ECU assembly connector.
  3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 16 [08/2019 - ]

  4. INSTALL COWL SIDE TRIM BOARD RH 

    Refer to PROCEDURE - Step 17 [12/2017 - 08/2019] , or refer to PROCEDURE - Step 17 [08/2019 - ]

  5. INSTALL FRONT DOOR SCUFF PLATE RH 
  6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

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

    Refer to INITIALIZATION [12/2017 - 08/2019] , or refer to INITIALIZATION [08/2019 - ]