DESCRIPTION The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication. The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.
CAUTION / NOTICE / HINT NOTICE: After replacing or reinstalling the yaw rate and acceleration sensor (airbag sensor assembly), perform system variant learning and acceleration sensor zero point calibration. Click here PROCEDURE
(a) Clear the DTCs. Chassis > ABS/VSC/TRAC/EPB > Clear DTCs(b) Turn the engine switch off. (c) Start and idle the engine. (d) Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 120 seconds, and then stop the engine. (e) Check if the same DTC is output. Chassis > ABS/VSC/TRAC/EPB > Trouble Codes
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Brake Booster(for Gasoline Model): Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the booster side of the brake vacuum check valve assembly. HINT: If the result is not as specified, replace the b ...
