Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Motor Drive Permission Malfunction (C1451)
DESCRIPTION If air bleeding has not been performed, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1451 to prevent the entry of air due to pump motor operation. DTC C1451 is stored when Motor Invalid is selected, the system will not return to normal until the air blee ...
