Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: EPB System Malfunction (C13AF)

DESCRIPTION

The skid control ECU (brake booster with master cylinder assembly) is connected to the parking brake ECU (brake actuator assembly) via CAN communication. If an electric parking brake system malfunction occurs, this DTC is output.

DTC No.

Detection Item

INF Code

DTC Detection Condition

Trouble Area

MIL

Note

C13AF

EPB System Malfunction

420

Electric parking brake system malfunction signal continues for 1 second.

Parking brake ECU (brake actuator assembly)

Does not come on

Brake hold DTC

HINT:

EPB: Electric Parking Brake System

PROCEDURE

1.

CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM)

(a) Check for electric parking brake system DTCs and record any codes that are output.

Chassis > Electric Parking Brake > Trouble Codes
NEXT

INSPECT ELECTRIC PARKING BRAKE SYSTEM

    Brake Warning Light Remains ON

    Reaction Force Pressure Sensor Zero Point Malfunction (C14B3)

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Basic Inspection
    CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem ca ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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