How To Proceed With Troubleshooting

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 DTC CHECK / CLEAR ).

      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 DTC CHECK / CLEAR ).

   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 (1 OF 5)
   
   

   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(s) (See DTC CHECK / CLEAR ).

      Result 

      RESULT (2 OF 5)
      
      

      Result	Proceed to
      Malfunction code	A
      No code	B

   B : GO TO STEP   11 

   A : Go to next step 

10. REFER TO  DTC CHART  

    HINT:

    Refer to DTC CHART .

    NEXT : GO TO STEP   13 

11. CONDUCT BASIC INSPECTION 

    HINT:

    Refer to BASIC INSPECTION .

    Result 

    RESULT (3 OF 5)
    
    

    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 (4 OF 5)
    
    

    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 (5 OF 5)
    
    

    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:

    (See 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