Caution / Notice / Hint

WARNING:

Before the following operations are conducted, take precautions to prevent electric shock by turning the ignition 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 hybrid motor control inverter assembly
- Disconnecting the low voltage connector of the HV battery
- Disconnecting the low voltage connector of the electric vehicle charger assembly
- Disconnecting the low voltage connector of the voltage inverter assembly
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 hybrid motor control inverter 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 [06/2020 - 10/2022]

HINT:

Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the hybrid motor control inverter assembly and the electric vehicle charger assembly.

NOTE:

After the ignition switch is turned off, there may be a waiting time before disconnecting the auxiliary negative (-) battery terminal.
Refer to BEFORE DISCONNECTING BATTERY [06/2020 - 10/2022]
When disconnecting and reconnecting the auxiliary battery.
Refer to WORK PROCEDURE [06/2020 - 10/2022]

HINT:

When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

Refer to AUTOMATIC LEARNING CHART [06/2020 - 12/2021] , or refer to AUTOMATIC LEARNING CHART [12/2021 - ]