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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Hybrid Battery Control System - Service Information (2 Of 2)) >> HV Battery Thermistor >> Removal [11/2023 - ] >> Procedure

Removal [11/2023 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. REMOVE HV BATTERY 

    Refer to REMOVAL [11/2023 - ]

  2. REMOVE NO. 10 HV BATTERY SHIELD PANEL 

    Refer to PROCEDURE - Step 20

  3. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY 

    See step  19

  4. REMOVE NO. 1 HYBRID BATTERY SHIELD SUB-ASSEMBLY 

    See step  19

  5. REMOVE NO. 6 HV BATTERY CARRIER BRACKET 

    Refer to PROCEDURE - Step 4

  6. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Disengage the clamp.
      GTY881134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 13 nuts and upper HV battery cover sub-assembly.
  7. REMOVE HYBRID BATTERY THERMISTOR 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Disengage the claw and remove the No. 3 hybrid battery packing from the HV battery.
      GTY881135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 4 clamps.
      GTY881136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the battery voltage sensor connector.
    4. Disengage the 5 clamps.
      GTY881137Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disengage the 6 claws of the hybrid battery thermistor (sensor portions) and remove the hybrid battery thermistor from the HV battery.
      GTY881141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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