ABS Operates Before Necessary When Braking [12/2017 - 09/2018]: Procedure

1. Using the Techstream, perform a Test Mode (Signal Check) inspection sensor check and check that speed sensor Test Mode (Signal Check) inspection items change from incomplete to complete.

   Refer to TEST MODE PROCEDURE [12/2017 - 09/2018]

   Chassis > ABS/VSC/TRAC > Utility 

   Tester Display
   Signal Check

   OK

   Speed sensor Test Mode (Signal Check) inspection items change 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] 

Result: 

B 

CLEAN SPEED SENSOR AND SPEED SENSOR ROTOR 

Result: 

C 

INSPECT AND REPAIR MALFUNCTIONING SPEED SENSOR CIRCUIT