Driver Side Seat Belt Warning Light does not Operate [08/2013 - ]: Procedure

1. Clear DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .
2. Recheck for DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

B → See step   5 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power 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.
   SRS AIRBAG
   
   

   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	-

   RESULT
   
   

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

B → See step   7 

C → See step   6 

A: Go to next step 

1. Replace the main body ECU (multiplex network body ECU). Refer to REMOVAL [08/2013 - ] .

NEXT: Go to next step 

1. Check the operation of the seat belt warning light. Refer to ON-VEHICLE INSPECTION [08/2013 - ] .

   OK

   The seat belt warning light operates normally.

NG → See step   8 

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