how to reset the battery light on Toyota RAV4 Fifth Generation (2019-present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, multimeter, socket set, cleaning brush, safety gloves.
• Safety Warnings: Disconnect the battery before working on electrical systems.

2. Inspect and Clean Battery Connections

• Remove the negative (-) terminal from the battery using a socket wrench.
• Clean the battery terminals and cable connectors with a wire brush to remove any corrosion.
• Reconnect the negative terminal and ensure it is tight.

3. Clear Error Codes

• Reconnect the OBD-II scanner to the vehicle's port.
• Follow the scanner instructions to clear any stored error codes related to the battery or charging system.
• Disconnect the scanner once codes are cleared.

4. Test Charging System

• Start the vehicle and use the multimeter to check the battery voltage again.
• If the voltage is within the normal range (13.7 to 14.7 volts), the charging system is functioning properly.

5. Final Check

• Perform a test drive for approximately 10-15 minutes to see if the battery light remains off.
• Monitor the dashboard for any re-illumination of the battery light.