DESCRIPTION The driving support ECU assembly uses the millimeter wave radar sensor assembly to detect objects in front of the vehicle. Based on signals from the millimeter wave radar sensor assembly, the driving support ECU assembly sends pre-collision system control operation signals. These DTCs are stored when a communication malfunction occurs between ECUs that perform pre-collision system control.
PROCEDURE
(a) Clear the DTCs. Body Electrical > Pre-Collision 2 > Clear DTCs(b) Make sure that the DTC detection conditions are met. HINT: If the detection conditions are not met, the system cannot detect the malfunction. (c) Check for DTCs. Body Electrical > Pre-Collision 2 > Trouble Codes
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Abnormal Zero Point of Steering Angle Sensor (C1290)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) acquires the steering angle sensor zero point every time the power switch on (READY) and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. The skid control ECU (brake booster with master cylin ...