ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:C13A0/11, C13A5/41, C13B0

DTC Code DTC Name
C13A0/11 Open in Power Supply Relay Circuit
C13A5/41 Electric Current of Motor
C13B0 Electric Parking Brake ECU Malfunction

DESCRIPTION

The following DTCs are stored when a malfunction occurs in the skid control ECU (brake actuator assembly).

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
C13A0/11 Open in Power Supply Relay Circuit

Both of following conditions are met:


  1. Engine switch on (IG) or electric parking brake switch assembly pulled to lock side with engine switch off.

  2. Skid control ECU (brake actuator assembly) power source relay circuit is open for approximately 0.5 seconds.

 Skid control ECU (brake actuator assembly) DTC stored An electric parking brake system malfunction is displayed on the multi-information display.
C13A5/41 Electric Current of Motor

Both of following conditions are met:


  1. Engine switch on (IG) or electric parking brake switch assembly pulled to lock side with engine switch off.

  2. Skid control ECU (brake actuator assembly) internal current is abnormal for approximately 0.1 to 0.5 seconds (differs according to malfunction).

 Skid control ECU (brake actuator assembly) DTC stored An electric parking brake system malfunction is displayed on the multi-information display.
C13B0 Electric Parking Brake ECU Malfunction

Both of following conditions are met:


  1. Engine switch on (IG) or electric parking brake switch assembly pulled to lock side with engine switch off.

  2. Internal current of skid control ECU (brake actuator assembly) or ECU components abnormal for a maximum of 60 seconds (differs according to malfunction).

 Skid control ECU (brake actuator assembly) DTC stored An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

Note

When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch assembly as the parking brake indicator light (red) blinks when the engine switch is first turned on (IG).

PROCEDURE


  1. REPLACE SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)


    1. Replace the skid control ECU (brake actuator assembly).

      Click here

      Result
      Proceed to
      NEXT

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    END