ABS Warning Light does not Come ON [01/2019 - 09/2022]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [01/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

   Result

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

Result: 

B 

INSPECT CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2019 - 09/2022] 

Result: 

A 

See step  2

1. Select the Active Test on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [01/2019 - 09/2022]

   Chassis > ABS/VSC/TRAC > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   ABS Warning Light	ABS warning light	Warning light ON/OFF	Observe combination meter assembly

   Chassis > ABS/VSC/TRAC > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   ABS Warning Light	ABS warning light	ON or OFF	ON: Warning light on OFF: Warning light off	-

   Chassis > ABS/VSC/TRAC > Active Test 

   Active Test Display
   ABS Warning Light

   Data List Display
   ABS Warning Light

2. Check the operating condition of the ABS warning light when operating it using the Techstream.

   Result

   Result	Proceed to
   ABS warning light in the Data List does not change using the Active Test.	A
   ABS warning light in the Data List turns ON/OFF using the Active Test.	B

Result: 

A 

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  REMOVAL [01/2019 - 09/2022] 

Result: 

B 

See step  3

1. Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream.

   Refer to DATA LIST / ACTIVE TEST [01/2019 - 09/2022]

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   ABS Warning

2. Check the combination meter assembly.

   OK

   The ABS warning light turns on or off in accordance with Techstream operation.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to  REMOVAL [01/2019 - 09/2022] 

Result: 

NG 

INSPECT METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2019 - 09/2022]