Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electric Parking Brake System(for Hv Model): Short circuit in Power source circuit (C13A1)
DESCRIPTION C13A1 is stored if the power supply relay in the parking brake ECU assembly has a short circuit. C13A1 is stored if the power switch is off and a voltage of 2.5 V or higher is applied to the IG terminal and an electric parking brake switch assembly malfunction or wire harness malfunction ...
