Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Open Circuit in Main Relay 1 (C1311,C1312)
DESCRIPTION The main relay supplies power to the switching solenoid and the linear solenoid. The main relay remains on for approximately 2 minutes after the power switch is turned off and the input of brake pedal operation signals stops, and supplies power to the system to keep it ready to operate. ...
