Driver Side Seat Belt Warning Light does not Operate [04/2014 - ]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2013 - ]

   Body Electrical > SRS Airbag > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2013 - ]

   Body Electrical > SRS Airbag > Trouble Codes 

   Result

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

Result:  3

B 

GO TO AIRBAG SYSTEM:  HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - 08/2016]  ,  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] 

Result:  1

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
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:  2

B 

REPLACE FRONT SEAT INNER BELT ASSEMBLY LH. Refer to  REMOVAL [04/2014 - 08/2014]  Refer to  REMOVAL [08/2014 - 08/2016]  Refer to  REMOVAL [08/2016 - 08/2017]  Refer to  REMOVAL [08/2017 - ] 

Result:  5

C 

REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [08/2013 - ] 

Result:  1

A 

See step  3

1. Temporarily replace the main body ECU (multiplex network body ECU) with a new or known good one.

   Refer to REMOVAL [08/2013 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  4

1. Check the operation of the seat belt warning light.

   Refer to ON-VEHICLE INSPECTION [08/2013 - 08/2017] Refer to ON-VEHICLE INSPECTION [08/2017 - ] 

   OK

   The seat belt warning light operates normally.

   Result

   Proceed to
   OK
   NG

Result:  1

OK 

END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) 

Result:  2

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [08/2013 - 08/2016]  Refer to  REMOVAL [08/2016 - ]