Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Accumulator Low Pressure (C1256)
DESCRIPTION The accumulator pressure sensor is built into the brake actuator (brake booster with master cylinder assembly) and detects the accumulator pressure. The skid control ECU (brake booster with master cylinder assembly) turns on the brake warning light / red (malfunction) and brake warning l ...