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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 >> Installation [12/2019 - 11/2023] >> Procedure

Installation [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL HYBRID BATTERY THERMISTOR 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Engage the 6 claws of the hybrid battery thermistor (sensor portions) to install the hybrid battery thermistor to the HV battery.
      GTY875731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 1st Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: Pink)
      *b 11th Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: Gray)
      *c 20th Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: Sky blue)
      *d 22nd Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: Red)
      *e 29th Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: White)
      *f 40th Module from the HV Battery Junction Block Assembly Side
      (Wire harness color: Blue)

      HINT: 

      Install each hybrid battery thermistor (sensor portion) to the appropriate location shown in the illustration.

    2. Engage the 5 clamps in the locations shown in the illustration.
      GTY865142Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 5th Module from the HV Battery Junction Block Assembly Side
      *b 13th Module from the HV Battery Junction Block Assembly Side
      *c 17th Module from the HV Battery Junction Block Assembly Side
      *d 25th Module from the HV Battery Junction Block Assembly Side
      *e 35th Module from the HV Battery Junction Block Assembly Side
    3. Connect the battery voltage sensor connector.
    4. Engage the 4 clamps.
    5. Engage the claw to install the No. 3 hybrid battery packing to the HV battery.
  2. INSTALL UPPER HV BATTERY COVER SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Install the upper HV battery cover sub-assembly to the HV battery with the 13 nuts.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

    2. Engage the clamp.
  3. INSTALL NO. 6 HV BATTERY CARRIER BRACKET 

    Refer to PROCEDURE - Step 2

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

    See step  2

  5. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY 

    See step  1

  6. INSTALL NO. 10 HV BATTERY SHIELD PANEL 

    Refer to PROCEDURE - Step 6

  7. INSTALL HV BATTERY 

    Refer to INSTALLATION [12/2019 - 11/2023]

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