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Home >> Toyota >> 2012 >> Tundra Base, 4.6L Eng VIN M, 4WD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Supplemental Restraint System [Diagnostics - Introduction] >> Airbag System >> How To Proceed With Troubleshooting >> How To Proceed With Troubleshooting

How To Proceed With Troubleshooting

HINT: 

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. INSPECT BATTERY VOLTAGE 

    Standard voltage

    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

    NEXT: Go to next step 

  3. CHECK CAN COMMUNICATION SYSTEM* 
    1. Check for DTC. Refer to DTC CHECK / CLEAR .
      RESULT

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

      B → CHECK CAN COMMUNICATION SYSTEM. Refer to  PRECAUTION 

      A: Go to next step 

  4. WARNING LIGHT CHECK 
    1. Check the warning light. Refer to DIAGNOSIS SYSTEM .

      NEXT: Go to next step 

  5. CHECK DTC (Present and Past DTCs)* 
    1. Check for DTC. Refer to DTC CHECK / CLEAR .
      RESULT

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

      B → PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE  

      A: Go to next step 

  6. DTC CHART 

    NEXT: Go to next step 

  7. CIRCUIT INSPECTION 

    NEXT: Go to next step 

  8. REPAIR 

    NEXT: Go to next step 

  9. CLEAR DTC (Present and Past DTCs)* 

    NEXT: Go to next step 

  10. CHECK DTC (Present and Past DTCs)* 
    1. Check for DTC. Refer to DTC CHECK / CLEAR .
      RESULT

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

      B → Go to DTC CHART 

      A: Go to next step 

  11. CONFIRMATION TEST 

    NEXT → END