How To Proceed With Troubleshooting

HINT:

*: Use a 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 necessary.

5. CLEAR DTC AND FREEZE FRAME DATA* 
6. CONDUCT VISUAL INSPECTION 
7. SET CHECK MODE DIAGNOSIS* 
8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

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

   RESULT REFERENCE
   
   

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B:  Go to STEP  10

   A: Go to next step 

9. SIMULATE SYMPTOMS 
10. CHECK DTC* 
    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 
12. CONDUCT BASIC INSPECTION 
    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 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 
15. CONDUCT CIRCUIT INSPECTION 
    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 
17. CONDUCT PARTS INSPECTION 
18. IDENTIFY PROBLEM 
19. ADJUST AND/OR REPAIR 
20. CONDUCT CONFIRMATION TEST 

    NEXT : END