HV BATTERY THERMISTOR REMOVAL

Info Added 2017-10-06

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during hybrid battery thermistor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure Necessary Procedures Effect/Inoperative Function when Necessary Procedure not Performed Link
Disconnect cable from negative auxiliary battery terminal Memorize steering angle neutral point Lane departure alert system (w/ Steering Control)

Click here

Simple intelligent parking assist system*1
Toyota parking assist-sensor system*1
Pre-collision system
Initialize back door lock Power door lock control system

Click here

*1: When performing learning using the GTS.
Click here Click here

CAUTION:


  • B0048QR

    This vehicle has contains high voltage circuits standardized with orange colored wiring and connectors, so follow the instructions in this manual to perform the procedures correctly.

    Click here

  • If the correct procedures are not followed according to the instructions in this manual, there is a danger of electric shock from the high voltage circuits.

  • B0048QQ

    Be sure to wear insulating gloves when working on high voltage wiring or components.

  • If work is performed without wearing insulating gloves, there is a danger of electric shock.

PROCEDURE


  1. PRECAUTION

    Note

    After turning the power 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.

    Click here

  2. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

    Click here

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

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001QLK

      Remove the 4 nuts.

    2. A001QYTC03
      *1 No. 1 Hybrid Battery Shield Sub-assembly
      *2 No. 2 Hybrid Battery Shield Sub-assembly
      B0048I2 Pull Back

      Pull back the No. 2 hybrid battery shield sub-assembly and remove the No. 1 hybrid battery shield sub-assembly from the HV battery.

      Tech Tips

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

  4. REMOVE NO. 1 HYBRID BATTERY INTAKE DUCT

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001PSX

      Disengage the claw of hybrid battery thermistor (sensor portion) and disconnect the hybrid battery thermistor from the No. 1 hybrid battery intake duct.

    2. Disengage the claw to remove the No. 1 hybrid battery intake duct from the HV battery.

  5. REMOVE HYBRID BATTERY THERMISTOR

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001O8U

      Disengage the clamp.

    2. A001QNI

      Disengage the 2 claws and remove the No. 1 hybrid battery packing from the HV battery.

    3. A001RQM

      Disengage the clamp.

    4. Disconnect the battery voltage sensor connector.

    5. A001OKE

      Disengage the 4 clamps.

    6. A001PXZ

      Disengage the 3 claws of the hybrid battery thermistor (sensor portions) and remove the hybrid battery thermistor from the HV battery.