ABS Operates Before Necessary When Braking [09/2018 - 10/2023]: Procedure

1. Using the Techstream, switch to Dealer Mode (Signal Check Mode) and check the speed sensor circuit.

   Refer to TEST MODE PROCEDURE [09/2018 - 10/2023]

   Chassis > Brake > Utility 

   Tester Display
   Signal Check

   OK

   The "Speed Sensor Circuit" Test Mode item changes from incomplete to complete.

   Result

   Result	Proceed to
   OK (for Front) (for 2WD)	A
   OK (for Front) (for AWD)	B
   OK (for Rear)
   NG	C

   NOTE:

   • When cleaning the front speed sensor (for AWD) or rear speed sensor, make sure to clean the installation hole before installation.
   • Do not use parts cleaner when cleaning the front speed sensor rotor (for AWD) or rear speed sensor rotor.
   • Do not use parts cleaner when cleaning the front speed sensor (for AWD) or rear speed sensor.

   HINT: 

   The front speed sensor and front speed sensor rotor (for 2WD) are incorporated into the front axle hub sub-assembly.

   If the front speed sensor and front speed sensor rotor (for 2WD) need to be replaced, replace the front axle hub sub-assembly.

Result: 

A 

REPLACE FRONT AXLE HUB SUB-ASSEMBLY. Refer to  REMOVAL [12/2017 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

Result: 

B 

CLEAN SPEED SENSOR AND SPEED SENSOR ROTOR 

Result: 

C 

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT