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ABS Operates Before Necessary When Braking [11/2021 - ]: Procedure

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  1. PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED SENSOR CIRCUIT) 
    1. Using the GTS, perform a Dealer Mode (Signal Check) inspection sensor check and check that speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

      Refer to SIGNAL CHECK [11/2021 - ]

      Chassis > Brake/EPB > Utility 

      Tester Display
      Signal Check

      OK

      Speed sensor Dealer Mode (Signal Check) inspection items change from incomplete to complete.

      NOTE:
      • When cleaning the front speed sensor and rear speed sensor, make sure to clean the installation hole before installation.
      • Do not use parts cleaner when cleaning the front speed sensor rotor and rear speed sensor rotor.

      Result

      Result Proceed to
      OK (for Front) A
      OK (for Rear) B
      NG C

    Result: 

    A 

    CLEAN FRONT SPEED SENSOR AND FRONT SPEED SENSOR ROTOR 

    Result: 

    B 

    CLEAN REAR SPEED SENSOR AND REAR SPEED SENSOR ROTOR 

    Result: 

    C 

    INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT 

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