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Home >> Lexus >> 2021 >> ES 350 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except Hybrid) - Diagnostic Codes (4 Of 4) & Symptom Tests >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline 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 pressed while the engine switch on (IG).

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

HINT: 

If a malfunction occurs in one of the following systems, the brake hold operated indicator light will blink. If this occurs, perform troubleshooting on the malfunctioning system.