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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake System (Except HV) - Diagnostic Codes & Symptom Tests >> ELECTRIC PARKING BRAKE SYSTEM (for Gasoline Model) >> DTC C123A-14: Supply Voltage Circuit IG Open [12/2019 - 11/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure. (w/o Stop and Start System)
  • The electric parking brake may still operate up to 20 seconds after the ignition switch is turned off. Before disconnecting connectors or fuses, turn the ignition switch off and wait 20 seconds or more.
  • After replacing the skid control ECU (brake actuator assembly), perform yaw rate and acceleration sensor zero point calibration and store system information memorization.

    Refer to UTILITY [12/2019 - 11/2023]

  • When replacing the skid control ECU (brake actuator assembly), operate the electric parking brake switch (electric parking brake switch assembly) as the parking brake indicator light (red) blinks when the ignition switch is first turned ON.
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