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Home >> Lexus >> 2021 >> LS 500h RWD >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake System (W/O Advanced Park) - Diagnostic Codes & Symptom Tests >> ELECTRIC PARKING BRAKE SYSTEM (w/o Advanced Park) >> Electric Parking Brake does not Operate [10/2020 - 10/2023] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  • The electric parking brake may still operate up to 20 seconds after the power switch is turned off. Before disconnecting connectors or fuses, turn the power switch off and wait 20 seconds or more.
  • If the parking brake ECU assembly is replaced, perform the "Reset Memory" and "Acquire Tension Sensor Zero Point" procedures.

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

  • If the parking brake with bracket actuator assembly is replaced, perform the "Reset Memory" and "Acquire Tension Sensor Zero Point" procedures.

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

HINT: 

The condition may be that the electric parking brake is operating normally but the meter parking brake indicator light (red) is malfunctioning.