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 cylinder assembly) troubleshoots the built-in motor relay drive circuit, and stores this DTC when a malfunction is detected.
CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake booster with master cylinder assembly), perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory". Click here PROCEDURE
(a) Clear the DTCs. Click here
(b) Turn the power switch off. (c) Turn the power switch on (IG). (d) Check if the same DTC is output. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Front Brake: Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE FRONT DISC BRAKE PISTON (a) Place a piece of cloth between the front disc brake piston and front disc brake cylinder. *a Cloth (b) Apply compressed air to remove the front disc brake piston from the front disc brake cylinder. CAUTION: Do not hold the front disc brake ...