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

  • Harness or connector

  • Parking brake with bracket actuator assembly

WIRING DIAGRAM

A000XM8E04

CAUTION / NOTICE / HINT

Note


  • If the electric parking brake ECU or parking brake with bracket actuator assembly is replaced, perform the "RESET MEMORY" and "ACQUIRE TENSION SENSOR ZERO POINT" procedures Click here.

  • Even after the power switch is turned OFF, the electric parking brake ECU may store a DTC as a result of removing a connector or fuse, as the ECU is still operating. Therefore, during inspection or replacement, turn the power switch OFF and wait for 20 seconds before removing the following: 1) connectors of the electric parking brake ECU, and 2) fuses of the electric parking brake system circuit.

  • 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 if DTCs other than C13A7/43 are output Click here.

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

    B
    A
  2. CHECK PARKING BRAKE CABLE


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


    NG
    OK
  3. CHECK PARKING BRAKE ASSEMBLY


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


    NG
    OK
  4. CHECK HARNESS AND CONNECTOR (ECU - ACTUATOR)


    1. Disconnect the S48 ECU connector.

    2. Disconnect the S32 actuator connector.

    3. A000XN8E03

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

      Standard resistance
      Tester Connection Condition Specified Condition
      S48-8 (TSEN) - S32-5 (TSEN) Always Below 1 Ω
      S48-8 (TSEN) - Body ground Always 10 kΩ or higher
      S48-6 (TSN2) - S32-10 (TSN2) Always Below 1 Ω
      S48-6 (TSN2) - Body ground Always 10 kΩ or higher
      S48-7 (VT) - S32-6 (VT) Always Below 1 Ω
      S48-7 (VT) - Body ground Always 10 kΩ or higher
      S48-14 (TGND) - S32-1 (TGND) Always Below 1 Ω
      S48-14 (TGND) - Body ground Always 10 kΩ or higher
      S48-10 (SG) - S32-2 (SG) Always Below 1 Ω
      S48-10 (SG) - Body ground Always 10 kΩ or higher

    OK
    NG