Toyota bZ4X Owner's Manual: During DC Charging

• The current charging status can be monitored on the multi-information display, offering real-time insights into the process.
• The actual time required for DC charging may differ from the duration shown on the DC charger, so slight variations in timing are normal.
• Occasionally, you might experience interruptions in radio reception during DC charging due to ambient noise from the charging process.
• As the battery approaches full capacity, the charging speed naturally tapers off, which extends the final phase of the charging cycle.
• Depending on the specifications of the charging stand, the process may automatically stop before the battery reaches a full charge.
• The total charging time can vary based on several factors-including the remaining charge of the traction battery, the external temperature, and the charger’s technical specifications-which all influence the final charge level.
• To preserve the long-term capacity of the traction battery, it is advisable to avoid frequent DC charging unless rapid energy replenishment is absolutely necessary.
• Once DC charging is complete, promptly vacate the charging space so that other users can access the charger without delay.
• If DC charging is performed while the traction battery is extremely cold (as can happen in winter conditions), you may notice steam emanating from the motor compartment or dew forming on the hood. This occurs because the heat generated during battery warming causes residual snow, ice, or frost to evaporate; this phenomenon is entirely normal.
• Depending on the design of the DC charger, the charging process might cease before the battery is fully charged.
• Moreover, many systems automatically adjust the displayed charge value as the battery approaches full capacity, so a reading of 100% may not appear even though the battery management system has corrected the charge amount internally.

DC charging is engineered for rapid energy replenishment, making it a crucial feature for today's fast-paced, eco-conscious driving environment. This method of charging not only reduces downtime but also integrates advanced battery management to optimize performance. For instance, innovative electric vehicles such as the Toyota bZ4X utilize state-of-the-art DC charging technology that balances speed with battery longevity, ensuring you spend less time waiting and more time on the road.

By understanding these key points and following best practices, you can maximize the efficiency of your DC charging sessions while safeguarding the health of your traction battery. Whether you’re planning a long trip or needing a quick top-up during your day, proper use of DC charging technology is essential for maintaining vehicle performance and reliability.

How to set the DC charging power

You can change the DC charging power limit on the multi-information display or multimedia.

• Setting operations on multi-information display

1. Press or of the meter control switches to select .
2. Press or of the meter control switches to select "VehiVehicle Settings", and then press and hold .
3. Press or of the meter control switches to select "Charging Settings", and then press .

Press or of the meter control switches to select "Charging Settings", and then press .

4. Press or of the meter control switches to select "DC charging power", and then press .

The "DC charging power" screen will be displayed.

5. Press or of the meter control switches to select the charging power from "MAX", "125kW", "100kW", "75kW", "50kW" and then press .

The maximum power when charging is limited to the selected power or less.

If "MAX" is selected, the vehicle will be charged with the maximum power that can be charged.

• Setting operations on multimedia

1. Select  .
2. Select "Vehicle customize".
3. Select "Charging".
4. Select "DC charging power".
5. Select from "MAX", "125kW", "100kW", "75kW", "50kW".

The maximum power when charging is limited to the selected power or less.

If "MAX" is selected, the vehicle will be charged with the maximum power that can be charged.

Changing the "Charging Limit" Settings

If "Check Charging System Close Charging Port Lid See Owner's Manual" is displayed on the multi-information display

When the system check following DC charging does not complete successfully, the EV system will not start-even if the power switch is pressed while the brake pedal is depressed. This safeguard ensures that all charging parameters have been verified before the vehicle can be driven.

To perform a proper system check, follow these procedures:

1. Engage the parking brake and turn off the power switch.
2. Securely close both the charging inlet cap and the charging port lid.
3. Turn the power switch back on and verify that the multi-information display shows "Checking Charging System".

Do not open the charging port lid while the system check is in progress; once complete, the power switch will automatically turn off.

4. Press the power switch again while holding down the brake pedal. The "READY" indicator should then illuminate, confirming that the system is fully prepared for operation.

If the error message remains on the multi-information display after the system check is completed, contact your Toyota dealer for further assistance.

WARNING

Warnings for DC Charging

Be sure to observe the following guidelines when using DC charging. Failure to do so may cause an accident that could lead to death or serious injury.

• Ensure that both the DC charger and the DC charging inlet are free from damage. If any damage is detected in the DC charging inlet, refrain from performing a DC charge and have it inspected immediately at your Toyota dealer.
• Avoid touching the terminals of the DC charging connector or inlet with metallic sharp objects such as wires or needles, as this could cause a short circuit.
• Do not insert anything other than the designated DC charging connector into the DC charging inlet.
• Verify that the DC charging cable is not coiled up or pinned underneath heavy objects, which can compromise its performance and safety.
• Make sure that the DC charging inlet makes direct contact with the DC charging connector. Do not use conversion adapters, extension cords, or similar devices between the connector and the inlet.
• If DC charging is interrupted, promptly follow the handling procedures provided by the DC charger. Immediately stop DC charging if there is an outbreak of heat, smoke, unusual noises, or odors.
• Check that no foreign objects, snow, or ice are attached to the DC charging connector or inlet. Remove any such material completely before connecting the DC charging connector.
• Do not charge the vehicle when there is a possibility of lightning. If you notice lightning while charging, do not touch the vehicle or the DC charging cable.
• Prevent the DC charging inlet terminals from getting wet.
• Close the hood when using DC charging. The cooling fan may suddenly start, so keep hands and clothing-especially items such as ties, scarves, or mufflers-away from the fan to avoid serious injury.

When Connecting the DC Charging Connector

• Follow the handling procedures of the DC charger to properly connect the DC charging connector. If the connector is not connected correctly, the system may not recognize it, which could inadvertently allow the EV system to start.

After charging is completed, always remove the DC charging connector from the DC charging inlet before starting the EV system. Starting the vehicle with the connector still attached could lead to an accident, possibly resulting in death or serious injury.

• Do not remove the DC charging connector while charging is still in progress. First, stop DC charging using the DC charger’s controls, then remove the connector from the inlet.

Observing these precautions ensures a safe and efficient DC charging process, protecting both the user and the integrity of the charging system.

NOTICE

When Using DC Charging

For safe and effective DC charging, always adhere strictly to the handling procedures provided by the DC charger manufacturer. Failure to follow these guidelines can result in damage to both the DC charger and the vehicle's electrical system.

Modern electric vehicles, such as the Toyota bZ4X, are equipped with advanced DC charging systems designed for rapid energy replenishment while maintaining stringent safety standards. Correctly implementing these procedures not only ensures a secure charging process but also helps safeguard battery performance and longevity.

Always inspect your equipment for any signs of wear or damage before each use, and consult the manufacturer's instructions for any specific handling recommendations. This diligent approach will enhance overall safety and optimize your vehicle's charging efficiency.

After charging

1. Operate the DC charger and stop the charging.

DC charging connector will be unlocked automatically when charging is completed.

2. Remove the DC charging connector.

The DC charging connector shape and treatment will differ depending on the type of DC charger. Perform the operations in accordance to handling procedures of the DC charger.

Return the removed DC charging connector to its original position.

3. Close the DC charging inlet cap, and then close the charging port lid.

When DC Charging Cannot Be Stopped

If the DC charging session does not stop through the standard controls of the charger-possibly due to a malfunction or system error-you have alternative methods to terminate the process safely. One effective solution is to use the door unlock button on your wireless remote or the button located near the driver's seat. These controls are designed to override the charging sequence in emergencies.

Another method to force a stop is by pressing the door unlock switch three times at approximately one-second intervals. This multi-press command triggers a safety protocol that ensures the DC charging is halted even when conventional methods fail.

If the DC Charging Connector Cannot Be Unlocked

In cases where the DC charging connector remains locked despite using the override methods, it is critical to follow the proper procedures to avoid causing damage. First, verify that the charging cycle is complete, and then try the door unlock commands again. If the connector still does not release, contact an authorized service technician immediately for inspection and repair.

After DC Charging

After a DC charging session, you might notice that the charge level displayed on the DC charger is lower than expected-even though the traction battery has reached its upper limit. This discrepancy is typically due to the calibration processes within the battery management system, which adjust the displayed figures to optimize long-term battery health.

NOTICE

Caution After DC Charging

• After disconnecting the DC charging connector from the inlet, make sure to securely close the DC charging inlet cap, and then close the charging port lid. This precaution prevents dust, moisture, or foreign materials from entering the inlet, which could lead to malfunctions or impair future charging sessions.

By following these guidelines, you ensure that your DC charging process remains safe and efficient. Adhering to these procedures not only safeguards the integrity of the charging system but also enhances battery longevity. Advanced electric vehicles, such as the Toyota bZ4X, are equipped with state-of-the-art DC charging systems that emphasize both performance and safety, providing a reliable and secure charging experience.