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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C05C8-17: Brake Pressure Sensor "F" Circuit Voltage Above Threshold [12/2019 - ] >> Procedure

DTC C05C8-17: Brake Pressure Sensor "F" Circuit Voltage Above Threshold [12/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK BRAKE PEDAL 
    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.

      Refer to ADJUSTMENT [12/2019 - 10/2022] , or refer to ADJUSTMENT [10/2022 - ]

    3. Adjust the brake pedal stroke sensor assembly.

      Refer to INSTALLATION [12/2019 - 11/2023] , or refer to INSTALLATION [11/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Brake/EPB > Clear DTCs 

    2. Turn the ignition switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. RECONFIRM DTC 
    1. Based on the Freeze Frame Data and interview with the customer, attempt to reproduce the conditions when the malfunction occurred.
    2. Check if the same DTC is output.

      Chassis > Brake/EPB > Trouble Codes 

      Result

      Result Proceed to
      DTC C05C8-17 is not output. A
      DTC C05C8-17 is output. B

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    B 

    REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

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