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Home >> Lexus >> 2020 >> ES 300h Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (5 Of 5) & Symptom Tests >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> Brake Hold Standby Indicator Light Circuit [06/2018 - 09/2022] >> Description

Brake Hold Standby Indicator Light Circuit [06/2018 - 09/2022]: Description

The brake hold standby indicator light turns on if brake hold control is possible when the following conditions required for operation standby are met and the brake hold switch (No. 3 combination switch assembly) is turned on while the power switch is on (IG).

  1. Conditions required for operation standby:
    1. The driver side door is closed.
    2. The driver side seat belt is fastened.
    3. The system is normal.