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Home >> Toyota >> 2012 >> Highlander Limited, AWD >> Repair and Diagnosis >> Restraints >> Seat Belts >> Seat Belt Warning System (Diagnostics & Symptom Tests) (Except Hybrid) >> Seat Belt Warning System >> Driver Side Seat Belt Warning Light does not Operate >> Procedure

Driver Side Seat Belt Warning Light does not Operate: Procedure

  1. CHECK FOR DTCs 
    1. Check for DTCs.

      Result

      Result Proceed to
      Output DTC (CAN communication) A
      Output DTC (Airbag system) B
      No output DTC C

    A → See step   3 

    B → See step   4 

    C: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Operate Techstream according to the steps on the display and select "ACTIVE TEST".

      Combination Meter

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

      OK

      Switch condition (ON/OFF) can be switched by "ACTIVE TEST".

    NG → See step   5 

    OK → END 

  3. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  4. GO TO AIRBAG SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  5. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL