How To Proceed With Troubleshooting

HINT:

The intelligent tester can be used in steps  2,  3,  4,  6 and  9.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT 

2. CONNECT INTELLIGENT TESTER TO DLC3 

   HINT:

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

   NEXT 

3. CHECK DTC AND FREEZE FRAME DATA 
   1. Check the DTC(s) and freeze frame data (See FREEZE FRAME DATA ).

      HINT:

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

   NEXT 

4. CLEAR DTC AND FREEZE FRAME DATA 
   1. Clear the DTC(s) and freeze frame data (See FREEZE FRAME DATA ).

   NEXT 

5. CONDUCT VISUAL INSPECTION 

   NEXT 

6. SET CHECK MODE DIAGNOSIS 
   1. Set the check mode (See CHECK MODE PROCEDURE ).

   NEXT 

7. CONFIRM PROBLEM SYMPTOMS 

   HINT:

   If the engine does not start, perform steps 9 and 11 first.

   Result 

   RESULT REFERENCE
   
   

   Result	Proceed to
   Malfunction does not occur	A
   Malfunction occurs	B

   B: GO TO STEP   9 

   A: Go to Next Step 

8. SIMULATE SYMPTOMS 

   NEXT 

9. CHECK DTC 
   1. Check the DTC (See DTC CHECK / CLEAR ).

      Result 

      RESULT REFERENCE
      
      

      Result	Proceed to
      Trouble code	A
      No code	B

   B: GO TO STEP   11 

   A: Go to Next Step 

10. REFER TO  DTC CHART  

    HINT:

    Refer to the DTC chart (See DIAGNOSTIC TROUBLE CODE CHART ).

    NEXT: GO TO STEP   13 

11. CONDUCT BASIC INSPECTION 

    HINT:

    Refer to BASIC INSPECTION .

    Result 

    RESULT REFERENCE
    
    

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

    B: GO TO STEP   16 

    A: Go to Next Step 

12. REFER TO  PROBLEM SYMPTOMS TABLE  

    HINT:

    Refer to PROBLEM SYMPTOMS TABLE ).

    Result 

    RESULT REFERENCE
    
    

    Result	Proceed to
    Malfunctioning circuit confirmed	A
    Malfunctioning parts confirmed	B

    B: GO TO STEP   16 

    A: Go to Next Step 

13. CHECK ECM POWER SOURCE CIRCUIT 

    HINT:

    Refer to ECM POWER SOURCE CIRCUIT .

    NEXT 

14. CONDUCT CIRCUIT INSPECTION 

    Result 

    RESULT REFERENCE
    
    

    Result	Proceed to
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B: GO TO STEP   17 

    A: Go to Next Step 

15. CHECK FOR INTERMITTENT PROBLEMS 

    HINT:

    Refer to CHECK FOR INTERMITTENT PROBLEMS .

    NEXT: GO TO STEP   17 

16. CONDUCT PARTS INSPECTION 

    NEXT 

17. IDENTIFY PROBLEM 

    NEXT 

18. ADJUST AND/OR REPAIR 

    NEXT 

19. CONDUCT CONFIRMATION TEST 

    NEXT: END