How To Proceed With Troubleshooting

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. CHECK MULTIPLEX COMMUNICATION SYSTEM 
3. CHECK AND CLEAR DTCS 
4. PROBLEM SYMPTOM CONFIRMATION 

   SYMPTOM DOES NOT OCCUR (GO TO STEP   5 ) 

   SYMPTOM OCCURS (GO TO STEP   6 ) 

5. SYMPTOM SIMULATION 
6. DTC CHECK 

   NORMAL SYSTEM CODE (GO TO STEP   7 ) 

   TROUBLE CODE (GO TO STEP   8 ) 

7. PROBLEM SYMPTOMS TABLE 

   GO TO STEP   9 

8. DTC TABLE 
9. CIRCUIT INSPECTION 
10. IDENTIFICATION OF PROBLEM 
11. REPAIR 
12. CONFIRMATION TEST 

    END