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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake System - Diagnostic Codes & Symptom Tests >> Electric Parking Brake System >> Electric Parking Brake does not Operate [11/2020 - 12/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • To ensure that the electric parking brake does not operate, wait for 3 minutes or more with the ignition switch off, the driver door closed, and the brake pedal not depressed, then disconnect each connector, fuse and relay.
  • After replacing the No. 2 skid control ECU (brake actuator assembly), perform "Calibration".

    Refer to UTILITY [11/2020 - ]

  • After replacing the No. 2 skid control ECU (brake actuator assembly), perform "EPB Initialize" and "Acquire Tension Sensor Zero Point".

    Refer to UTILITY [11/2020 - ]

HINT: 

Even if the electric parking brake is operating normally, the parking brake indicator light on the combination meter may be malfunctioning.