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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Supplemental Restraint System >> Occupant Classification System >> How To Proceed With Troubleshooting

How To Proceed With Troubleshooting

HINT:

*. Use the Techstream

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS 
    1. Confirm problem symptoms (See HOW TO PROCEED WITH TROUBLESHOOTING ).
  3. PASSENGER AIRBAG ON/OFF INDICATOR CHECK 
    1. Proceed to DIAGNOSIS SYSTEM  .
  4. DTC CHECK (Present and Past DTCs)* 
    1. Proceed to DTC CHECK / CLEAR  .

      Result 

      RESULT CHART

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

    B: GO TO PROBLEM SYMPTOMS TABLE 

    A: Go to next step 

  5. DIAGNOSTIC TROUBLE CODE CHART 
    1. Proceed to DIAGNOSTIC TROUBLE CODE CHART 
  6. CIRCUIT INSPECTION* 
  7. REPAIR 
  8. CLEAR DTCS (Present and Past DTCs)* 
    1. Proceed to DTC CHECK / CLEAR 
  9. DTCS CHECK (Present and Past DTCs)* 
    1. Proceed to DTC CHECK / CLEAR 

      Result 

      RESULT CHART

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

    B: GO TO DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to next step 

  10. SYMPTOM SIMULATION 
    1. Check the passenger airbag ON/OFF indicator condition

      Result 

      RESULT CHART

      Result Proceed to
      Passenger airbag ON/OFF indicator operates normally. A
      Passenger airbag ON/OFF indicator ("OFF") and SRS warning light come on B

    B: GO TO DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to next step 

  11. CONFIRMATION TEST 

    NEXT: END