How To Proceed With Troubleshooting

2009 Toyota Corolla S, 1.8 U, StandardSECTION How To Proceed With Troubleshooting

HINT:

*: Use the Tech stream.

  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 (See DIAGNOSIS SYSTEM ).
  4. DTC CHECK (Present and Past DTCs)* 
    1. Proceed to DTC Check / Clear (See DTC CHECK / CLEAR ).

    Result 

    RESULT REFERENCE CHART

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

    B: GO TO PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE )

    A: Go to next step 

  5. DIAGNOSTIC TROUBLE CODE CHART 
    1. Proceed to Diagnostic Trouble Code Chart (See DIAGNOSTIC TROUBLE CODE CHART ).
  6. CIRCUIT INSPECTION* 
  7. REPAIR 
  8. CLEAR DTC (Present and Past DTCs)* 
    1. Proceed to DTC Check / Clear (See DTC CHECK / CLEAR ).
  9. DTC CHECK (Present and Past DTCs)* 
    1. Proceed to DTC Check / Clear (See DTC CHECK / CLEAR ).

    Result 

    RESULT REFERENCE CHART

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

    B: GO TO DIAGNOSTIC TROUBLE CODE CHART  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: Go to next step 

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

    Result 

    RESULT REFERENCE 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  (See DIAGNOSTIC TROUBLE CODE CHART )

    A: Go to next step 

  11. CONFIRMATION TEST 

NEXT: END 

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.