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Home >> Toyota >> 2012 >> Sienna SE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Warning Systems >> Seat Belt Warning System (Diagnostics & Symptom Tests) >> Seat Belt Warning System >> Symptom Tests >> Driver Side Seat Belt Warning Light does not Operate >> Procedure

Driver Side Seat Belt Warning Light does not Operate: Procedure

  1. CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) 
    1. Clear the DTC. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .
    2. Recheck for DTCs.
      RESULT

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

    B → See step   4 

    A: Go to next step 

  2. CHECK DTC OUTPUT (AIRBAG SYSTEM) 
    1. Clear the DTC. Refer to DTC CHECK / CLEAR .
    2. Recheck for DTCs.
      RESULT

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

    B → See step   5 

    A: Go to next step 

  3. PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER SIDE SEAT BELT) 
    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 / Combination Meter / Active Test.
    5. According to the display on the Techstream, perform the Active Test.
      COMBINATION METER

      Tester Display Test Part Control Range Diagnostic Note
      Driver Side Seat Belt Driver side seat belt warning light OFF or ON Confirm that the vehicle stopped with the engine idling

      OK

      The driver side seat belt warning light on the combination meter assembly operates normally.

    NG → See step   6 

    OK → See step   7 

  4. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  5. GO TO AIRBAG SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  6. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL 
  7. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING