How To Proceed With Troubleshooting

HINT:

*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

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2. CUSTOMER PROBLEM ANALYSIS 

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3. CONNECT TECHSTREAM TO THE DLC3* 

   HINT:

   If the display indicates a communication fault in the Techstream, 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* 

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6. CONDUCT VISUAL INSPECTION 

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7. SET CHECK MODE DIAGNOSIS* 

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8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

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

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occur	B

   B :  GO TO STEP  10

   A : Go to Next Step 

9. SIMULATE SYMPTOMS 

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10. CHECK DTC* 

    Result 

    RESULT REFERENCE
    
    

    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 

12. CONDUCT BASIC INSPECTION 

    Result 

    RESULT REFERENCE
    
    

    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 

    RESULT REFERENCE
    
    

    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 

    RESULT REFERENCE
    
    

    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 

17. CONDUCT PARTS INSPECTION 

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18. IDENTIFY PROBLEM 

    NEXT 

19. ADJUST AND/OR REPAIR 

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20. CONDUCT CONFIRMATION TEST 

    NEXT : END