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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronically Controlled Brake System - Diagnostic Codes (2 Of 2) & Symptom Tests - (Hybrid) >> Electronically Controlled Brake System >> Symptom Tests >> Slip Indicator Light Remains ON [10/2014 - 10/2015] >> Procedure

Slip Indicator Light Remains ON [10/2014 - 10/2015]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication system DTCs are output (Refer to DIAGNOSIS SYSTEM [10/2014 - 10/2015] ).

      Result

      Result Proceed to
      DTCs are not output. A
      DTCs are output. B

    Result: 

    INSPECT CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

    Result: 

    See step  2

  2. CHECK IF BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY CONNECTOR IS SECURELY CONNECTED 
    1. Check if the skid control ECU (brake booster with master cylinder assembly) connector is securely connected.

      OK

      The connector is securely connected.

    Result: 

    NG 

    CONNECT CONNECTOR TO BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY CORRECTLY 

    Result: 

    OK 

    See step  3

  3. CHECK AUXILIARY BATTERY 
    1. Check the auxiliary battery voltage.

      Standard Voltage

      Tester Connection Condition Specified Condition
      Auxiliary battery Power switch on (IG) 11 to 14 V
      Auxiliary battery Power switch on (READY) 11 to 15.5 V

    Result: 

    NG 

    CHARGE OR REPLACE AUXILIARY BATTERY 

    Result: 

    OK 

    See step  4

  4. READ VALUE USING TECHSTREAM (SLIP INDICATOR LIGHT) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Select the Data List on the Techstream (Refer to DATA LIST / ACTIVE TEST [10/2014 - 10/2015] ).
      ABS/VSC/TRAC

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Slip Indicator Light Slip indicator light / ON or OFF ON: Indicator light on
      OFF: Indicator light off
      -
    4. Check the Techstream display condition of the slip indicator light.

      Result

      Result Proceed to
      Display of the Data List remains OFF. A
      Display of the Data List remains ON. B

      HINT: 

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the parts (Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] ).

    Result: 

    INSPECT METER / GAUGE SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 10/2015] )

    Result: 

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY 

    (Refer to REMOVAL [10/2014 - ] )