ELECTRIC PARKING BRAKE SYSTEM, Diagnostic DTC:C13A7/43

DTC Code DTC Name
C13A7/43 Actuator Malfunction

DESCRIPTION

DTC Code Detection Condition Trouble Area
C13A7/43

Both of following conditions are met:


  1. Electric parking brake is operating

  2. One of following is detected: motor lock, gear lock, stuck cable, cable cut

  • Parking brake cable condition

  • Parking brake assembly

  • Wire harness or connector

  • Parking brake with bracket actuator assembly

WIRING DIAGRAM

A01FFB5E02

INSPECTION PROCEDURE

Note


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

  • Before disconnecting connectors or fuses, turn the engine switch off and wait 20 seconds or more.

  • This DTC may be output if a manual release cable is used. There is no malfunction. Perform the "Reset Memory" and "Acquire Tension Sensor Zero Point" procedures Click here.

PROCEDURE


  1. CHECK DTC


    1. Check for DTC Click here. Check if DTCs other than C13A7/43 are output.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  2. CHECK PARKING BRAKE CABLE


    1. Check if the parking brake cable is securely installed Click here.


    NG

    INSTALL PARKING BRAKE CABLE Click here

    OK

  3. CHECK PARKING BRAKE ASSEMBLY


    1. Check if each part is installed properly Click here.


    NG

    PROPERLY INSTALL EACH PART Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (PARKING BRAKE ECU - PARKING BRAKE WITH BRACKET ACTUATOR)


    1. Disconnect the U37 parking brake ECU assembly connector.

    2. Disconnect the U40 parking brake with bracket actuator assembly connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U37-8 (TSEN) - U40-5 (TSEN) Always Below 1 Ω
      U37-8 (TSEN) - Body ground Always 10 kΩ or higher
      U37-6 (TSN2) - U40-10 (TSN2) Always Below 1 Ω
      U37-6 (TSN2) - Body ground Always 10 kΩ or higher
      U37-7 (VT) - U40-6 (VT) Always Below 1 Ω
      U37-7 (VT) - Body ground Always 10 kΩ or higher
      U37-14 (TGND) - U40-1 (TGND) Always Below 1 Ω
      U37-14 (TGND) - Body ground Always 10 kΩ or higher
      U37-10 (SG) - U40-2 (SG) Always Below 1 Ω
      U37-10 (SG) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE PARKING BRAKE WITH BRACKET ACTUATOR ASSEMBLY Click here