DTC C0609-62: Electric Parking Brake Switch Signal Compare Failure [11/2021 - 10/2023]: Procedure

Refer to INSPECTION [10/2020 - 10/2023]

Result

Result: 

NG 

REPLACE ELECTRIC PARKING BRAKE SWITCH ASSEMBLY. Refer to  REMOVAL [10/2017 - ] 

Result: 

OK 

See step  2

1. Turn the ignition switch off.
2. Disconnect the G43 electric parking brake switch assembly connector.
3. Disconnect the A102 No. 2 skid control ECU (brake actuator assembly) connector.
4. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A102-36 (SWI1) - G43-8 (SWI1)	Always	Below 1 Ω
   A102-31 (SWO1) - G43-10 (SWO1)	Always	Below 1 Ω
   A102-41 (SWI2) - G43-1 (SWI2)	Always	Below 1 Ω
   A102-39 (SWO2) - G43-3 (SWO2)	Always	Below 1 Ω
   A102-36 (SWI1) or G43-8 (SWI1) - Body ground	Always	10 kΩ or higher
   A102-31 (SWO1) or G43-10 (SWO1) - Body ground	Always	10 kΩ or higher
   A102-41 (SWI2) or G43-1 (SWI2) - Body ground	Always	10 kΩ or higher
   A102-39 (SWO2) or G43-3 (SWO2) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Clear the DTCs.

   Chassis > Brake/EPB > Clear DTCs 

2. Turn the ignition switch off.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Chassis > Brake/EPB > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are output	A
   DTCs are not output	B

Result: 

A 

REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

B 

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