How To Proceed With Troubleshooting

The intelligent tester can be used at step 3, 6, 9 and 12.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. PROBLEM SYMPTOM CONFIRMATION 

   SYMPTOM DOES NOT OCCUR (Go to step 4) 

   SYMPTOM OCCURS (Go to step 5) 

4. SYMPTOM SIMULATION 
5. DTC CHECK 

   NORMAL CODE (Go to step 6) 

   MALFUNCTION CODE (Go to step 7) 

6. PROBLEM SYMPTOMS TABLE 
7. DTC CHECK 
8. CIRCUIT INSPECTION 
9. IDENTIFICATION OF PROBLEM 
10. REPAIR 
11. CONFIRMATION TEST 

    END