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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Hybrid Battery Control System - Service Information (1 Of 2)) >> Hybrid Vehicle Control Ecu >> Installation [10/2022 - 11/2023] >> Procedure

Installation [10/2022 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL HYBRID VEHICLE CONTROL ECU 
    1. Engage the 2 claws to install the hybrid vehicle control ECU to the ECU integration box LH.
      NOTE:

      Make sure that the hybrid vehicle control ECU is securely installed.

      GTY877726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL ECU INTEGRATION BOX LH 
    1. Install the ECU integration box LH with the 2 bolts and nut.
    2. Connect the 3 hybrid vehicle control ECU connectors as shown in the illustration.
      GTY877725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect each connector.
  3. INSTALL VEHICLE APPROACHING SPEAKER CONTROLLER 

    Refer to PROCEDURE - Step 1

  4. INSTALL NO. 3 INSTRUMENT PANEL TO COWL BRACE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  5. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to INSTALLATION [10/2022 - 11/2023]

  6. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [10/2022 - 11/2023]

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