How To Proceed With Troubleshooting

The intelligent tester can be used in steps 3, 6, 7, 8 and 11.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
   1. Confirm problem symptoms.
3. CHECK AND CLEAR THE DTCS 
4. PROBLEM SYMPTOM CONFIRMATION 

   SYMPTOM OCCURS (GO TO step  6)

   SYMPTOM DOES NOT OCCUR (GO TO step 5 below) 

5. SYMPTOM SIMULATION 
6. CHECK BODY MULTIPLEX COMMUNICATION SYSTEM 
   1. Check for the DTC output.

   MULTIPLEX DTC OUTPUTS (PROCEED TO " MULTIPLEX COMMUNICATION SYSTEM  ") 

   NO MULTIPLEX DTC (GO TO step 7 below) 

7. see
   1. Check for the DTC output.

   CAN DTC OUTPUTS (PROCEED TO " CAN COMMUNICATION SYSTEM  ") 

   NO CAN DTC (GO TO step 8 below) 

8. DTC CHECK (OTHER THAN MULTIPLEX DTC) 

   MALFUNCTION CODE (GO TO step  9)

   NORMAL CODE (GO TO step  10)

9. DTC CHART 

   Go to step  12

10. PROBLEM SYMPTOMS TABLE 
11. ACTUATOR CHECK 
12. CIRCUIT INSPECTION 
13. PROBLEM IDENTIFICATION 
14. PARTS INSPECTION 
15. REPAIR 
16. CONFIRMATION TEST 

    END