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 parking brake ECU assembly performs the lock/release operation of the parking brake based on signals from the electric parking brake switch assembly, or instruction signals from other systems via CAN communication.

DTC Code Detection Condition Trouble Area Note
C13A0/11

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. Parking brake ECU assembly's power source relay is open for approx. 0.5 sec.

 Parking brake ECU assembly An electric parking brake system malfunction is displayed on the multi-information display.
C13A5/41

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. Parking brake ECU assembly's internal current is abnormal

  3. When parking brake is operating, problem occurs for 0.3 sec.; when parking brake is not operating, problem occurs for 0.5 sec.

 Parking brake ECU assembly An electric parking brake system malfunction is displayed on the multi-information display.
C13B0

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. Parking brake ECU assembly's internal voltage is abnormal, or EEPROM is malfunctioning

  3. Problem occurs for approx. 0.5 sec.

 Parking brake ECU assembly An electric parking brake system malfunction is displayed on the multi-information display.

CAUTION / NOTICE / HINT

Note

If the parking brake ECU assembly is replaced, perform the "Reset Memory" and "Acquire Tension Sensor Zero Point" procedures Click here.

PROCEDURE


  1. REPLACE PARKING BRAKE ECU ASSEMBLY


    1. Replace parking brake ECU assembly Click here.


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