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 THE DLC3* 

   HINT:

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

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4. CHECK DTC AND FREEZE FRAME DATA* 

   HINT:

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

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5. CLEAR DTC AND FREEZE FRAME DATA* 

   NEXT 

6. CONDUCT VISUAL INSPECTION 

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7. SET CHECK MODE DIAGNOSIS* 

   NEXT 

8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, perform steps 10 and 12 first.

   RESULT PROCEDURE CHART
   
   

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B : GO TO STEP   10 

   A : GO TO NEXT STEP. 

9. SIMULATE SYMPTOMS 

   NEXT 

10. CHECK DTC* 
    RESULT PROCEDURE CHART
    
    

    Result	Proceed to
    Malfunction code	A
    No code	B

    B : GO TO STEP   12 

    A : GO TO NEXT STEP. 

11. REFER TO  DTC CHART  

    NEXT 

    GO TO STEP   14 

12. CONDUCT BASIC INSPECTION 
    RESULT PROCEDURE CHART
    
    

    Result	Proceed to
    Malfunctioning parts not confirmed	A
    Malfunctioning parts confirmed	B

    B : GO TO STEP   17 

    A : GO TO NEXT STEP. 

13. REFER TO  PROBLEM SYMPTOMS TABLE  
    RESULT PROCEDURE CHART
    
    

    Result	Proceed to
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    B : GO TO STEP   17 

    A : GO TO NEXT STEP. 

14. CHECK ECM POWER SOURCE CIRCUIT 

    NEXT 

15. CONDUCT CIRCUIT INSPECTION 
    RESULT PROCEDURE CHART
    
    

    Result	Proceed to
    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. CONDUCT PARTS INSPECTION 

    NEXT 

18. IDENTIFY PROBLEM 

    NEXT 

19. ADJUST, REPAIR OR REPLACE 
20. NEXT 
21. CONDUCT CONFIRMATION TEST 

    NEXT 

    END