DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication. If the skid control ECU (brake booster with master cylinder assembly) stores a DTC, the slip indicator light comes on in the combination meter assembly. The slip indicator light blinks during ABS, VSC and/or TRAC operation. When the system is malfunctioning, the slip indicator light comes on to warn the driver. Click here WIRING DIAGRAM Refer to Brake Control Warning Light Remains ON. Click here 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) Check if CAN communication system DTCs are output. Click here
(a) Check if the skid control ECU (brake booster with master cylinder assembly) connector is securely connected. OK: The connector is securely connected.
(a) Check the auxiliary battery voltage. Standard Voltage:
(a) Select the Data List on the Techstream. Click here Chassis > ABS/VSC/TRAC > Data List
(b) Check the Techstream display condition of the slip indicator light.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Gasoline Model): Steering Angle Sensor (C1A47)
DESCRIPTION The driving support ECU assembly receives steering angle information from the steering sensor. If the driving support ECU assembly detects a steering sensor malfunction, DTC C1A47 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A47 Steering Angle Sensor Whil ...