How To Proceed With Troubleshooting

HINT:

*: Use Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 
2. CUSTOMER PROBLEM ANALYSIS 
3. CONNECT TECHSTREAM TO DLC3* 

   HINT:

   If the display indicates a communication fault in the tester, inspect the DLC3.

4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT:

   Record or print DTCs and freeze frame data, if needed.

5. CLEAR DTC AND FREEZE FRAME DATA* 
6. VISUAL INSPECTION 
7. SETTING CHECK MODE DIAGNOSIS* 
8. PROBLEM SYMPTOM CONFIRMATION 

   If the engine does not start, first perform the "CHECK DTC" procedures and "CONDUCT BASIC INSPECTION" procedures below.

   MALFUNCTION CHART
   
   

   Malfunction does not occur	A
   Malfunction occurs	B

   B:  GO TO STEP  10

   A: Go To Next Step 

9. SYMPTOM SIMULATION 
10. DTC CHECK* 
    TROUBLE CODE REFERENCE CHART
    
    

    Trouble code	A
    No code	B

    B:  GO TO STEP  12

    A: Go To Next Step 

11. DTC CHART 

    NEXT:  GO TO STEP  14

12. BASIC INSPECTION 
    WRONG PARTS REFERENCE
    
    

    Wrong parts not confirmed	A
    Wrong parts confirmed	B

    B:  GO TO STEP  17

    A: Go To Next Step 

13. PERFORM SYMPTOMS TABLE 
    SYMPTOMS REFERENCE
    
    

    Wrong circuit confirmed	A
    Wrong parts confirmed	B

    B:  GO TO STEP  17

    A: Go To Next Step 

14. CHECK ECM POWER SOURCE CIRCUIT 
15. CIRCUIT INSPECTION 
    MALFUNCTION REFERENCE
    
    

    Malfunction not confirmed	A
    Malfunction confirmed	B

    B:  GO TO STEP  18

    A: Go To Next Step 

16. CHECK FOR INTERMITTENT PROBLEMS 

    NEXT:  GO TO STEP  18

17. PARTS INSPECTION 
18. IDENTIFICATION OF PROBLEM 
19. ADJUSTMENT AND/OR REPAIR 
20. CONFIRMATION TEST 

    NEXT: END