Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Park Assist / Monitoring: Intelligent Clearance Sonar System(for Gasoline Model)
Stop Light Relay Circuit (C1A4B) DESCRIPTION When a stop light relay circuit malfunction signal sent from the electronically controlled brake system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4B Stop Light Re ...
