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. CUSTOMER PROBLEM ANALYSIS (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  DIAGNOSIS SYSTEM   ) 

   HINT:

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

   NEXT: Go to next step. 

5. CLEAR DTC AND FREEZE FRAME DATA (SEE  DIAGNOSIS SYSTEM   ) 

   NEXT: Go to next step. 

6. CONDUCT VISUAL INSPECTION 

   NEXT: Go to next step. 

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

   NEXT: Go to next step. 

8. CONFIRM PROBLEM SYMPTOMS 

   HINT:

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

   ENGINE MALFUNCTION REFERENCE
   
   

   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. CHECK DTC (SEE  DTC CHECK/CLEAR   ) 
    MALFUNCTION CODE 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 (SEE  DIAGNOSTIC TROUBLE CODE CHART   ) 

    NEXT: Go to step   14 

12. CONDUCT BASIC INSPECTION (SEE  BASIC INSPECTION   ) 
    MALFUNCTION PART 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 (SEE  PROBLEM SYMPTOMS TABLE   ) 
    MALFUNCTION CIRCUIT 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 (See  ECM POWER SOURCE CIRCUIT   ) 

    NEXT: Go to next step. 

15. CONDUCT CIRCUIT INSPECTION 
    CIRCUIT INSPECTION 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 (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