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Home >> Toyota >> 2017 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Vacuum Brake Booster) - Diagnostic Codes (B1380-U0074) & Symptom Tests >> VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster) >> Slip Indicator Light Remains ON [08/2019 - ] >> Procedure

Slip Indicator Light Remains ON [08/2019 - ]: Procedure

  1. CHECK VEHICLE CONTROL HISTORY 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Using the Techstream, check for Vehicle Control History.

      Refer to VEHICLE CONTROL HISTORY [08/2019 - ]

      CHASSIS > BRAKE > UTILITY

      Tester Display
      Vehicle Control History (RoB)

      HINT: 

      If vehicle control history is stored (X2079, X2088, X208A, X20D7, X20D8, X204C), the slip indicator light illuminates.

      Result

      Result Proceed to
      No vehicle control history (X2079, X2088, X208A, X20D7, X20D8, X204C) A
      Vehicle control history exists (X2079, X2088, X208A, X20D7, X20D8, X204C) B

    Result: 

    B 

    PERFORM TROUBLESHOOTING AND REPAIR REGARDING VEHICLE CONTROL HISTORY 

    Refer to VEHICLE CONTROL HISTORY [08/2019 - ]

    NOTE:

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

    Result: 

    A 

    See step  2

  2. INSPECT COMBINATION METER ASSEMBLY 
    1. Perform Active Test of the combination meter assembly using the Techstream.
      BODY ELECTRICAL > COMBINATION METER > ACTIVE TEST

      Tester Display
      Indicat. Lamp Slip
    2. Check the combination meter assembly.

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    INSPECT METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ]