Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: EPB High Temperature (C13AA)

DESCRIPTION

If the electric parking brake is used continuously, system operation is stopped to prevent the parking brake actuator assembly from overheating.

This DTC is stored when system operation is stopped to prevent the parking brake actuator assembly from overheating and is not a malfunction.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory	Note
C13AA	EPB High Temperature	Protects the electric parking brake from overheating by frequently requested lock/release commands.	Overheat due to continuous use of system	DTC stored	A warning is displayed on the multi-information display indicating electric parking brake system operation is stopped due to high temperatures.

PROCEDURE

1.	ELECTRIC PARKING BRAKE OVERHEAT

(a) With the overheat warning displayed on the multi-information display, wait for approximately 1 minute.

(b) Check that the overheat warning has disappeared.

HINT:

Check the display after turning the engine switch off and on (IG).
After the warning has disappeared and the electric parking brake system returns to normal, clear the DTCs.

Chassis > ABS/VSC/TRAC/EPB > Clear DTCs

END

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Brake Hold Operated Indicator Light Circuit
DESCRIPTION The brake hold operated indicator light illuminates when the brake hold system is operating (vehicle stopped due to brake fluid pressure hold) and turns off when the brake hold system operation is finished (brake fluid pressure decreases). The brake hold system may not operate depending ...

Toyota Avalon (XX50) 2019-2022 Owners Manual