BATTERY VOLTAGE SENSOR 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 battery voltage sensor 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.

Note


  • The type of battery voltage sensor to be used varies depending on the vehicle model.

  • A001OEIC02
    *a Black Label

    The type of battery voltage sensor can be confirmed by the color of the label.

  • If the wrong type of battery voltage sensor is installed, the power switch cannot be turned on (READY).

  • After installing the battery voltage sensor, perform the following to check that the power switch can be turned on (READY).


    • Turn the power switch on (READY).

    • Turn the power switch off and wait for 30 seconds or more.

    • Turn the power switch on (READY) again.

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 SERVICE PLUG GRIP

    Click here

  3. DISCONNECT ENGINE WIRE

    Click here

  4. REMOVE CONNECTOR COVER ASSEMBLY

    Click here

  5. CHECK TERMINAL VOLTAGE

    Click here

  6. INSTALL CONNECTOR COVER ASSEMBLY

    Click here

  7. CONNECT ENGINE WIRE

    Click here

  8. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY

    Click here

  9. REMOVE REAR SEAT CUSHION LOCK HOOK

    Click here

  10. REMOVE REAR DOOR SCUFF PLATE LH

    Click here

  11. REMOVE REAR UNDER SIDE COVER LH

    Click here

  12. REMOVE REAR DOOR SCUFF PLATE RH

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  13. REMOVE REAR UNDER SIDE COVER RH

    Tech Tips

    Use the same procedure as for the LH side.

    Click here

  14. REMOVE REAR UNDER COVER

    Click here

  15. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY

    Click here

  16. REMOVE BATTERY COOLING BLOWER ASSEMBLY

    Click here

  17. REMOVE NO. 1 HV BATTERY COVER PANEL RH

    Click here

  18. DISCONNECT HV FLOOR UNDER WIRE

    Click here

  19. DISCONNECT FLOOR WIRE

    Click here

  20. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT

    Click here

  21. DISCONNECT FLOOR WIRE

    Click here

  22. REMOVE UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001QSK

      Remove the 5 bolts.

      Note


      • Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the HV battery.

      • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.

      • If the HV battery has been struck or dropped, replace it.

    2. A001PHV

      Move the HV battery toward the front of the vehicle.

    3. A001OWNC02
      *a Bolt
      *b Nut

      Remove the 6 bolts, 5 nuts and upper No. 1 hybrid battery cover sub-assembly from the HV battery.

  23. REMOVE NO. 1 HV BATTERY SHIELD PANEL

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001RQM

      Disengage the clamp.

    2. Disconnect the battery voltage sensor connector.

    3. A001Q0Q

      Remove the bolt and 2 nuts.

    4. A001QG7C03
      *1 No. 1 HV Battery Shield Panel
      *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 HV battery shield panel from the HV battery.

      Tech Tips

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

  24. REMOVE BATTERY VOLTAGE SENSOR

    CAUTION:

    Be sure to wear insulated gloves and protective goggles.


    1. A001O9Y

      Disconnect the battery voltage sensor connector.

      Note

      Insulate each disconnected high-voltage connector with insulating tape. Wrap the connector from the wire harness side to the end of the connector.

    2. A001PDQ

      Remove the bolt and battery voltage sensor from the HV battery.

      Note

      If the battery voltage sensor has been struck or dropped, replace it.