How To Proceed With Troubleshooting

HINT:

The intelligent tester should be used in steps  3,  4,  5,  7 and  10.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

2. CUSTOMER PROBLEM ANALYSIS 

   NEXT 

3. CONNECT INTELLIGENT TESTER TO THE DLC3 

   HINT:

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

   NEXT 

4. CHECK DTC AND FREEZE FRAME DATA 

   HINT:

   Record or print DTCs and freeze frame data, if necessary (See DTC CHECK / CLEAR  ).

   NEXT 

5. CLEAR DTC AND FREEZE FRAME DATA 

   NEXT 

6. CONDUCT VISUAL INSPECTION 

   NEXT 

7. SET CHECK MODE DIAGNOSIS 

   NEXT 

8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

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

   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 
10. CHECK DTC 

    HINT:

    See DTC CHECK / CLEAR  .

    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 

    HINT:

    See DIAGNOSTIC TROUBLE CODE CHART  .

    NEXT : GO TO STEP 14 

12. CONDUCT BASIC INSPECTION 

    HINT:

    See 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 

    HINT:

    See 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 

    HINT:

    See 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 

    HINT:

    See CHECK FOR INTERMITTENT PROBLEMS  .

    NEXT : GO TO STEP 18 

17. CONDUCT PARTS INSPECTION 

    NEXT 

18. IDENTIFY PROBLEM 

    NEXT 

19. ADJUST AND/OR REPAIR 

    NEXT 

20. CONDUCT CONFIRMATION TEST 

    END