LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2019 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Transfer Case (Service Information) (Except Hybrid)) >> 4WD Control Ecu >> Removal [12/2013 - ] >> Procedure

Removal [12/2013 - ]: Procedure

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

    After turning the ignition 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 notice before proceeding with work.

    Refer to INITIALIZATION [12/2013 - 11/2016] , or refer to INITIALIZATION [11/2016 - ]

  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 [12/2013 - 11/2016] , or refer to INITIALIZATION [11/2016 - ]

  3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 17

  4. REMOVE INSTRUMENT PANEL FINISH PANEL END LH 

    Refer to PROCEDURE - Step 16

  5. REMOVE FRONT DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 7 , or refer to PROCEDURE - Step 7 , or refer to PROCEDURE - Step 7

  6. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 8 , or refer to PROCEDURE - Step 8 , or refer to PROCEDURE - Step 8

  7. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 19

  8. REMOVE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WITH MAIN BODY ECU 

    Refer to PROCEDURE - Step 10

  9. REMOVE WIRE HARNESS CLAMP BRACKET 

    Refer to PROCEDURE - Step 23 , or refer to PROCEDURE - Step 23

  10. REMOVE 4WD ECU ASSEMBLY 
    1. Disconnect the 4WD ECU assembly connector.
      GTY438518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the nut and 4WD ECU assembly from the bracket.
      GTY453604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002