LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Hybrid Battery Control System - Service Information (2 Of 3)) >> HV BATTERY (for LITHIUM-ION BATTERY) >> Removal [08/2021 - 09/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

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

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Auxiliary battery terminal is disconnected/reconnected Perform steering sensor zero point calibration Lane Tracing Assist System Refer to INITIALIZATION [08/2021 - ]
Pre-collision system
Parking Support Brake System*
Lighting system
Memorize steering angle neutral point Parking assist monitor system Refer to INITIALIZATION [06/2018 - 09/2022]
Panoramic view monitor system Refer to INITIALIZATION [06/2018 - 09/2022]
Initialize power trunk lid system Power Trunk Lid System Refer to INITIALIZATION [06/2018 - ]
Replacement of HV battery
  • Battery status info update
  • Prediagnostic battery
  • Battery diagnosis
HV battery status information cannot be updated Refer to UTILITY [08/2020 - ]

*: When performing learning using the Techstream.

WARNING:
  • Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair information .
    GTY588409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Refer to PRECAUTION [08/2020 - ]

  • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
    GTY588386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
  • If the HV battery has been struck or dropped, replace it.
  • When connecting a connector to the HV battery, confirm that the connector is securely connected through the following:

    - Push the connector until a click sound is heard.

    - Visually check and confirm that the connector is securely connected by pulling on it.

  • Make sure to insulate the high-voltage connectors and terminals of the HV battery with insulating tape after removing it.

    If the HV battery stored without insulating the connectors and terminals, electric shock or fire may result.

  • When performing repairs around the HV battery, such as using a tap, do not allow metal shavings to enter the HV battery.
  • Do not touch any high voltage wire harnesses, connectors or parts with bare hands.
  • Hold the areas shown in the illustration and lift the HV battery.
    GTY764096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • Do not allow foreign matter, such as grease or oil, to adhere to the bolts or nuts of the HV battery.
  • Do not put your hands into the openings of the HV battery.
    GTY760667Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Opening
  • When removing/installing/moving the HV battery, make sure not to tilt it more than 80°.
  • Do not climb on top of or stand on the HV battery.
  • Do not allow any foreign matter or water to enter the HV battery.
  • If any bolts, nuts or clips are dropped into the HV battery, make sure to remove them.
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System)
  • After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Navigation System)

HINT: 

When disposing of an HV battery, make sure to return it through an authorized collection agent who is capable of handling it safely. If the HV battery is returned via the manufacturer specified route, it will be returned properly and in a safe manner by an authorized collection agent.