Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Before the following operations are conducted, take precautions to prevent electric shock by turning the power switch off, wearing insulated gloves, and removing the service plug grip from HV battery.

Fig 1: Wear Insulated Gloves
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Inspecting the high-voltage system
- Disconnecting the low voltage connector of the inverter with converter assembly and hybrid motor control inverter assembly rear*
- Disconnecting the low voltage connector of the HV battery
1. *: for AWD
To prevent electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.

Fig 2: Do Not Service The Vehicle Before Cutting Of The High-Voltage Circuit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
To prevent electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.

Fig 3: Do Not Service The Vehicle Before Cutting Of The High-Voltage Circuit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
After removing the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. After waiting for 10 minutes, check the voltage at the terminals in the inspection point in the inverter with converter assembly. The voltage should be 0 V before beginning work.
Refer to PRECAUTION [10/2018 - ]

Fig 4: Do Not Service Vehicle Without Waiting At Least 10 Minutes To Discharge The High-Voltage Capacitor
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a Without waiting for 10 minutes

HINT:

Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.
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 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.

Fig 5: Dispose Of HV Battery Through An Authorized Collection Agent

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Dealer
*b	Battery Collection Agent

Accidents such as electric shock may result if the HV battery is disposed of improperly or abandoned. Therefore, make sure to return all HV batteries through an authorized collection agent.

After removing the HV battery, keep it away from water. Exposure to water may cause the HV battery to produce heat, resulting in a fire.

Fig 6: Do Not Expose HV Battery To Moisture
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.

Refer to INITIALIZATION [10/2018 - 07/2022] Refer to INITIALIZATION [07/2022 - ]