How To Proceed With Troubleshooting

Troubleshoot in accordance with the procedures below.

1. VEHICLE BROUGHT TO WORKSHOP 

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2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
   1. Without applicable symptoms, proceed to A.
   2. With applicable symptoms, proceed to B.
   1. B: Go to step   4 
3. SYMPTOM SIMULATION 

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4. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
   1. Without applicable symptoms, proceed to A.
   2. With applicable symptoms, proceed to B.
   1. B: Go to step 5 
5. CIRCUIT INSPECTION AND PART INSPECTION (See  PROBLEM SYMPTOMS TABLE  ) 

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6. PERFORM TROUBLESHOOTING IN THE FOLLOWING METHOD, DEPENDING ON MALFUNCTION SYMPTOM 
   1. Terminals of ECU (see TERMINALS OF ECU )
   2. On-vehicle inspection (see TOYOTA VEHICLE INTRUSION PROTECTION SYSTEM )
7. ADJUSTMENT, REPAIR OR REPLACEMENT 

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8. CONFIRMATION TEST 

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