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
2. CUSTOMER PROBLEM ANALYSIS
3. CONNECT INTELLIGENT TESTER TO THE 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 (See DTC CHECK / CLEAR ).

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, 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 DIAGNOSTIC TROUBLE CODE CHART 

    HINT:

    See DIAGNOSTIC TROUBLE CODE CHART .

    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 .

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 .

    GO TO STEP  18

17. CONDUCT PARTS INSPECTION
18. IDENTIFY PROBLEM
19. ADJUST AND/OR REPAIR
20. CONDUCT CONFIRMATION TEST

    NEXT END