Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. 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
- Disconnecting the low voltage connector of the HV battery
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
After removing the service plug grip from the HV battery, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.

Fig 3: Do Not Leave Service Plug Grip Accessible To Other Technicians
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.

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

Refer to PRECAUTION [08/2020 - 08/2021] , or refer to PRECAUTION [08/2021 - ]

HINT:

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

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 [08/2020 - 08/2021] , or refer to INITIALIZATION [08/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - ]