Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Brake Warning Light Remains ON
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. If any of the following is detected, the brake system warning light (red indicator) remains on: The skid control ECU (brake actuator assembly) connector is disconnected fr ...