Toyota Avalon 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 Service & Repair Manual > Audio And Visual System(for Gasoline Model): Parking Brake Switch Circuit
    DESCRIPTION This circuit is from the skid control ECU (brake actuator assembly) to the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK BRAKE WARNING LIGHT (a) Check that the brake warning light comes on when the parking brake is applied and goes off when it is released. OK: Th ...

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