ABS Operates Before Necessary When Braking [11/2020 - ]: Procedure

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 TEST MODE PROCEDURE [11/2020 - ]

   Chassis > Brake/EPB > Utility 

   Tester Display
   Signal Check

   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.

   OK

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

   Result

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

   HINT: 

   The front speed sensor rotor and front speed sensor are incorporated into the front axle hub sub-assembly.

   If the front speed sensor and front speed sensor rotor needs to be replaced, replace the front axle hub sub-assembly.

Result: 

A 

REPLACE FRONT SPEED SENSOR AND FRONT SPEED SENSOR ROTOR. Refer to  REMOVAL [11/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 12/2022]  , or refer to  REMOVAL [12/2022 - 12/2023]  , or refer to  REMOVAL [12/2023 - ] 

Result: 

B 

CLEAN REAR SPEED SENSOR AND REAR SPEED SENSOR ROTOR 

Result: 

C 

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT