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Home >> Toyota >> 2019 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Battery Control System - Service Information (5 Of 7)) >> HV Battery Thermistor >> Removal [12/2021 - 10/2022] >> Procedure

Removal [12/2021 - 10/2022]: 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 (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

  2. REMOVE HV BATTERY 

    Refer to REMOVAL [12/2021 - 10/2022]

  3. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 3

  4. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY 

    Refer to PROCEDURE - Step 22

  5. REMOVE NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Remove the 5 nuts.
      GTY910957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Pull back the rear No. 1 HV battery shield and remove the No. 2 hybrid battery shield sub-assembly from the HV battery.
      GTY898042Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear No. 1 HV Battery Shield
      *2 No. 2 Hybrid Battery Shield Sub-assembly
      Pull Back

      HINT: 

      Pull back the rear No. 1 HV battery shield until it is separated from the stud bolt of the No. 2 hybrid battery shield sub-assembly.

  6. REMOVE NO. 1 HV BATTERY INTAKE DUCT LH 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Remove the clip to disconnect the No. 1 HV battery intake duct LH from the HV battery.
      GTY910963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the claw of hybrid battery thermistor (sensor portion) and remove the No. 1 HV battery intake duct LH.
  7. REMOVE HYBRID BATTERY THERMISTOR 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Disengage the clamp.
      GTY762855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 claws and remove the No. 1 hybrid battery packing from the HV battery.
      GTY762853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the clamp.
      GTY910964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the battery voltage sensor connector.
    5. Disengage the 4 clamps.
      GTY762852Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disengage the 3 claws of the hybrid battery thermistor (sensor portions) and remove the hybrid battery thermistor from the HV battery.
      GTY763003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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