DTC C05C1-51: Brake Pedal Position Sensor "B" Not Programmed [11/2020 - ]: Procedure

1. Check that the brake pedal and the brake pedal stroke sensor assembly are properly installed and that the pedal can be depressed normally.
2. Check and adjust the brake pedal height.

   HINT: 

   Refer to ADJUSTMENT [11/2020 - 12/2023] , or refer to ADJUSTMENT [12/2023 - ]

3. Adjust the brake pedal stroke sensor assembly.

   HINT: 

   Refer to INSTALLATION [11/2020 - 12/2022] , or refer to INSTALLATION [12/2022 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Clear the zero point value for the brake pedal stroke sensor assembly.

   HINT: 

   Refer to UTILITY [11/2020 - ]

   Chassis > Brake/EPB > Utility 

   Tester Display
   Reset Memory

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Perform brake pedal stroke sensor assembly zero point calibration.

   HINT: 

   Refer to UTILITY [11/2020 - ]

   Chassis > Brake/EPB > Utility 

   Tester Display
   Calibration

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

Pre-procedure1

• None

• Clear the DTCs.

  Chassis > Brake Booster > Clear DTCs 

  Chassis > Brake/EPB > Clear DTCs 

  Result

  Proceed to
  NEXT

Post-procedure1

• Turn the ignition switch off.

Result: 

NEXT 

See step  5

Pre-procedure1

• Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.

• Check if the same DTC is output.

  Chassis > Brake/EPB > Trouble Codes 

  Result

  Result	Proceed to
  Only C05C1-51 is output	A
  DTCs are not output	B
  C05C1-51 and other DTCs are output	C

Post-procedure1

• None

Result: 

B 

END 

Result: 

C 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

Result: 

A 

See step  6

1. Check the DTCs that are output.

   Chassis > Brake Booster > Trouble Codes 

   Result

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

Result: 

B 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

Result: 

A 

See step  7

Pre-procedure1

• Turn the ignition switch off.

• Make sure that there is no looseness at the locking part and the connecting part of the connectors.

  OK

  The connector is securely connected.

Pre-procedure2

• Disconnect the A2 brake pedal stroke sensor assembly connector.

• Check both the connector case and the terminals for deformation and corrosion.

  OK

  No deformation or corrosion.

Pre-procedure3

• Turn the ignition switch to ON.

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

  Standard Voltage

  Tester Connection	Condition	Specified Condition	Result
  A2-2 (VSK2) - A2-3 (SKG2)	Ignition switch ON	4.84 to 5.16 V	V

  Result

  Proceed to
  OK
  NG

Post-procedure1

• None

Result: 

OK 

REPLACE BRAKE PEDAL STROKE SENSOR ASSEMBLY. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR