How To Proceed With Troubleshooting

HINT:

*: Use the intelligent tester.

1. VEHICLE BROUGHT TO WORKSHOP 

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2. CUSTOMER PROBLEM ANALYSIS 

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3. CONNECT INTELLIGENT TESTER TO DLC3* 

   HINT:

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

   NEXT 

4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT:

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

   NEXT 

5. CLEAR DTC AND FREEZE FRAME DATA* 

   NEXT 

6. VISUAL INSPECTION 

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7. SETTING CHECK MODE DIAGNOSIS* 

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8. PROBLEM SYMPTOM CONFIRMATION 

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

   PROBLEM SYMPTOM CONFIRMATION
   
   

   Malfunction does not occur	A
   Malfunction occurs	B

   B : GO TO STEP   10 

   A : Go to Next Step 

9. SYMPTOM SIMULATION 

   NEXT 

10. DTC CHECK* 
    MALFUNCTION CODE REFERENCE
    
    

    Malfunction 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 
    BASIC INSPECTION REFERENCE
    
    

    Wrong parts not confirmed	A
    Wrong parts confirmed	B

    B : GO TO STEP   17 

    A : Go to Next Step 

13. PERFORM SYMPTOMS TABLE 
    PERFORM SYMPTOMS TABLE
    
    

    Wrong circuit confirmed	A
    Wrong parts confirmed	B

    B : GO TO STEP   17 

    A : Go to Next Step 

14. CHECK ECM POWER SOURCE CIRCUIT 

    NEXT 

15. CIRCUIT INSPECTION 
    CIRCUIT INSPECTION 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 

    NEXT 

18. IDENTIFICATION OF PROBLEM 

    NEXT 

19. ADJUSTMENT AND/OR REPAIR 

    NEXT 

20. CONFIRMATION TEST 

    NEXT : END