ABS does not Operate [03/2017 - ]: Procedure

1. Check if the slip indicator light was illuminated or blinking when ABS did not operate.

   HINT: 

   • When the VSC system is normal and ABS is operating, the slip indicator light blinks.
   • When the VSC system is malfunctioning, the slip indicator light illuminates.

   Result

   Result	Proceed to
   The slip indicator light was blinking.	A
   The slip indicator light was illuminated.	B

Result: 

A 

END 

Result: 

B 

See step  2

1. Using the Techstream, check DTCs and Freeze Frame Data.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

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

Result: 

B 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to  DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 09/2018]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2018 - 05/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ] 

Result: 

A 

See step  3

1. Check that ABS operates using a drum tester or equivalent.
   WARNING:

   To prevent the vehicle from moving unexpectedly out of the tester due to TRAC or VSC operation when a drum tester is used, perform the check with TRAC and VSC operation prohibited.

   OK

   ABS operates.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

REPLACE SKID CONTROL ECU ASSEMBLY. Refer to  REMOVAL [03/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]