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.
CAUTION / NOTICE / HINT NOTICE: The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting. Click here
PROCEDURE
HINT: If DTC C1A47 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Power Supply Drive Circuit (C1257)
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 cyli ...
