Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Power Supply Drive Circuit (C1257)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects a drop in accumulator pressure according to the signals from the accumulator pressure sensor, then operates and stops the motor relay as well as the pump motor. The skid control ECU (brake booster with master cyli ...
