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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

The intelligent tester can be used in steps  4,  6,  8, and  9.

  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 
  4. DTCS CHECK (Present and Past DTCs) 
    1. Check for DTCs.

      Result 

      DTC RESULT DESCRIPTION

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

    B: GO TO PROBLEM SYMPTOMS TABLE 

    A: Go to Next Step 

  5. DTCS CHART 
  6. CIRCUIT INSPECTION 
  7. REPAIR 
  8. CLEAR DTCS (Present and Past DTCs) 
    1. Clear DTCs.
  9. DTCS CHECK (Present and Past DTCs) 
    1. Check for DTCs.

      Result 

      DTC RESULT DESCRIPTION

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

    B: Go to step  5

    A: Go to Next Step 

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

      Result 

      DTC RESULT DESCRIPTION

      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 step  5

    A: Go to Next Step 

  11. CONFIRMATION TEST 

    NEXT: END 

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