Driver Side Seat Belt Warning Light does not Operate [04/2018 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > SRS Airbag > Clear DTCs 

2. Check for DTCs.

   Body Electrical > SRS Airbag > Trouble Codes 

   Result

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

Result: 

B 

GO TO AIRBAG SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 - ] 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / SRS Airbag / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > SRS Airbag > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Left side Buckle SW	LH buckle switch	Unset, Set or NG	Unset: Seat belt not fastened Set: Seat belt fastened NG: Data is not determined	-

   Body Electrical > SRS Airbag > Data List 

   Tester Display
   Left side Buckle SW

   Result

   Result	Proceed to
   Unset or Set is displayed on the Techstream according to the driver seat belt condition	A
   Unset or Set is not displayed correctly on the Techstream according to the driver seat belt condition	B
   NG is displayed on the Techstream	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2018 - ] 

Result: 

B 

REPLACE FRONT SEAT INNER BELT ASSEMBLY LH. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

Result: 

C 

REPLACE AIR BAG ECU ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]