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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) >> Slip Indicator Light Remains ON [06/2018 - ] >> Procedure

Slip Indicator Light Remains ON [06/2018 - ]: Procedure

  1. CHECK VEHICLE CONTROL HISTORY (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Enter the following menus: Chassis / Brake/EPB / Utility / Vehicle Control History (RoB).
    4. Using the Techstream, check for Vehicle Control History.

      Refer to VEHICLE CONTROL HISTORY [06/2018 - 08/2020] , or refer to VEHICLE CONTROL HISTORY [08/2020 - ]

      Chassis > Brake/EPB > Utility 

      Tester Display
      Vehicle Control History (RoB)

      HINT: 

      If vehicle control history is stored when the electronically controlled brake system and electric parking brake system are suspended, the slip indicator light illuminates.

      Result

      Result Proceed to
      There is no vehicle control history for when the electronically controlled brake system and electric parking brake system were suspended. A
      There is vehicle control history for when the electronically controlled brake system and/or electric parking brake system were suspended. B

    Result: 

    PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY 

    Refer to VEHICLE CONTROL HISTORY [06/2018 - 08/2020] , or refer to VEHICLE CONTROL HISTORY [08/2020 - ]

    NOTE:

    After performing troubleshooting and repair regarding vehicle control history, clear the vehicle control history.

    Result: 

    See step  2

  2. INSPECT COMBINATION METER ASSEMBLY 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    4. Perform the Active Test of the combination meter assembly using the Techstream.

      Refer to DATA LIST / ACTIVE TEST [06/2018 - 08/2020] , or refer to DATA LIST / ACTIVE TEST [08/2020 - 08/2021] , or refer to DATA LIST / ACTIVE TEST [08/2021 - ]

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Slip Warning
    5. Check the combination meter assembly.

      OK

      The slip indicator light turns on or off in accordance with Techstream operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    NG 

    INSPECT METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]