How To Proceed With Troubleshooting

The hand-held tester can be used in steps 3, 4, 5, 7 and 10.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step. 

2. (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 

   NEXT: Go to next step. 

3. CONNECT HAND HELD TESTER TO DLC3 

   HINT:

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

   NEXT: Go to next step. 

4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

   HINT:

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

   NEXT: Go to next step. 

5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

   NEXT: Go to next step. 

6. CONDUCT VISUAL INSPECTION 

   NEXT: Go to next step. 

7. SET CHECK MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 

   NEXT:  

8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

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

   RESULT REFERENCE (1 OF 5)
   
   

   Result	Proceed To
   Malfunction does not occur	A
   Malfunction occurs	B

   B: GO TO STEP 10 

   A: Go to next step. 

9. SIMULATE SYMPTOMS 

   NEXT: Go to next step. 

10. (See  DTC CHECK/CLEAR  ) 
    RESULT REFERENCE (2 OF 5)
    
    

    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  ) 

    NEXT: GO TO step   14 

12. CONDUCT  BASIC INSPECTION  ) 
    RESULT REFERENCE (3 OF 5)
    
    

    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 (4 OF 5)
    
    

    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  ) 

    NEXT: Go to next step. 

15. CONDUCT CIRCUIT INSPECTION 
    RESULT REFERENCE (5 OF 5)
    
    

    Result	Proceed To
    Malfunction not confirmed	A
    Malfunction confirmed	B

    B: GO TO STEP 18 

    A: Go to next step. 

16. (See  CHECK FOR INTERMITTENT PROBLEMS  ) 

    NEXT: GO TO STEP 18 

17. CONDUCT PARTS INSPECTION 

    NEXT: Go to next step. 

18. IDENTIFY PROBLEM 

    NEXT: Go to next step. 

19. ADJUST AND/OR REPAIR 

    NEXT: Go to next step. 

20. CONDUCT CONFIRMATION TEST 

NEXT: END