DTC C13A7: Actuator Malfunction [10/2020 - 10/2023]: Procedure

1. Check if DTCs other than C13A7 are output.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Chassis > Electric Parking Brake > Trouble Codes 

   Result

   Result	Proceed to
   DTC other than DTC C13A7 is not output	A
   DTC other than DTC C13A7 is output	B

Result: 

B 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 10/2023] 

Result: 

A 

See step  2

1. Check that the parking brake cable is not cracked or stuck, and that it is correctly installed.

   Refer to DISASSEMBLY [10/2020 - 11/2021] , or refer to DISASSEMBLY [11/2021 - 10/2022] , or refer to DISASSEMBLY [10/2022 - 10/2023]

   OK

   The part has no cracks, is not stuck and is correctly installed.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE PARKING BRAKE WITH BRACKET ACTUATOR ASSEMBLY OR SECURELY INSTALL PARKING BRAKE CABLE 

1. Replace Parking Brake with Bracket Actuator Assembly:

   Refer to REMOVAL [10/2020 - 11/2021] , or refer to REMOVAL [11/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023]

2. Install Parking Brake Cable:

   Refer to REASSEMBLY [10/2020 - 11/2021] , or refer to REASSEMBLY [11/2021 - 10/2023]

Result: 

OK 

See step  3

1. Check if each part is installed properly.

   Refer to DISASSEMBLY [10/2020 - 11/2021] , or refer to DISASSEMBLY [11/2021 - 10/2022] , or refer to DISASSEMBLY [10/2022 - 10/2023]

   OK

   The part is installed correctly

   Result

   Proceed to
   OK
   NG

Result: 

NG 

PROPERLY INSTALL EACH PART. Refer to  REASSEMBLY [10/2020 - 11/2021]  , or refer to  REASSEMBLY [11/2021 - 10/2023] 

Result: 

OK 

See step  4

1. Turn the power switch off.
2. Disconnect the L77 parking brake ECU assembly connector.
3. Disconnect the L78 parking brake with bracket actuator assembly connector.
4. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   L77-8 (TSEN) - L78-5 (TSEN)	Always	Below 1 Ω
   L77-8 (TSEN) or L78-5 (TSEN) - Body ground	Always	10 kΩ or higher
   L77-6 (TSN2) - L78-10 (TSN2)	Always	Below 1 Ω
   L77-6 (TSN2) or L78-10 (TSN2) - Body ground	Always	10 kΩ or higher
   L77-7 (VT) - L78-6 (VT)	Always	Below 1 Ω
   L77-7 (VT) or L78-6 (VT) - Body ground	Always	10 kΩ or higher
   L77-14 (TGND) - L78-1 (TGND)	Always	Below 1 Ω
   L77-14 (TGND) or L78-1 (TGND) - Body ground	Always	10 kΩ or higher
   L77-10 (SG) - L78-2 (SG)	Always	Below 1 Ω
   L77-10 (SG) or L78-2 (SG) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Chassis > Electric Parking Brake > Clear DTCs 

2. Turn the power switch off.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Check the output DTC.

   Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Chassis > Electric Parking Brake > Trouble Codes 

   Result

   Result	Proceed to
   DTC C13A7 is output	A
   DTC C13A7 is not output	B

Result: 

A 

REPLACE PARKING BRAKE WITH BRACKET ACTUATOR ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

B 

See step  7

1. Perform the lock or release operation with the electric parking brake switch assembly.

   OK

   Electronic parking brake operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

Result: 

NG 

REPLACE PARKING BRAKE ECU ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]