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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except HV) - Diagnostic Codes (1 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> On-Vehicle Inspection [12/2019 - ] >> Procedure

On-Vehicle Inspection [12/2019 - ]: Procedure

  1. WARNING LIGHT AND INDICATOR LIGHT INITIAL CHECK 
    1. When the ignition switch is turned to ON, check that the ABS warning light, brake system warning light (red indicator), slip indicator light, VSC OFF indicator light, downhill assist control indicator light* brake hold standby indicator light and brake hold operated indicator light come on for approximately 3 seconds.

      HINT: 

      • When the brake fluid level is low or the vacuum inside the brake booster decreases, the brake system warning light (red indicator) comes on.
      • If the skid control ECU (brake actuator assembly) stores any DTCs, the ABS warning light, brake system warning light (red indicator) and slip indicator light will come on. Also, in this state, if the vehicle is under the following conditions and the brake hold switch (electric parking brake switch assembly) is turned on, the brake hold operated indicator light blinks.
        1. Vehicle Conditions:
          1. The driver door is closed.
          2. The driver seat belt is fastened.
      • If the warning lights and indicator lights does not illuminate or illuminates for more than approximately 3 seconds, perform troubleshooting for the electronically controlled brake system.

        Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

      *: for AWD