How To Proceed With Troubleshooting

HINT:

The hand-held tester is 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 tool, inspect DLC3.

   NEXT: Go to next step 

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

   HINT:

   Record or print DTC and freeze frame data, if needed.

   NEXT: Go to next step 

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

   NEXT: Go to next step 

6. VISUAL INSPECTION 

   NEXT: Go to next step 

7. SETTING CHECK (TEST) MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 

   NEXT: Go to next step 

8. PROBLEM SYMPTOM CONFIRMATION 

   HINT:

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

   MALFUNCTION CONFIRMATION
   
   

   Malfunction does not occur	A
   Malfunction occurs	B

   1. B: Go to step   10 
   2. A: Go to next step 
9. SYMPTOM SIMULATION 

   NEXT: Go to next step 

10. DTC CHECK (See  DTC CHECK/CLEAR  ) 
    MALFUNCTION CONFIRMATION
    
    

    Malfunction code	A
    No code	B

    1. B: Go to step   12 
    2. A: Go to next step 
11. DIAGNOSTIC TROUBLE CODE CHART  

    NEXT: Go to next step 

    Go to step   14 

12. BASIC INSPECTION (See  BASIC INSPECTION  ) 
    MALFUNCTION CONFIRMATION
    
    

    Wrong parts not confirmed	A
    Wrong parts confirmed	B

    1. B: Go to step   17 
    2. A: Go to next step 
13. PROBLEM SYMPTOMS TABLE  
    MALFUNCTION CONFIRMATION
    
    

    Wrong circuit confirmed	A
    Wrong parts confirmed	B

    1. B: Go to step   17 
    2. A: Go to next step 
14. CHECK  ECM POWER SOURCE CIRCUIT  

    NEXT: Go to next step 

15. CIRCUIT INSPECTION 
    MALFUNCTION CONFIRMATION
    
    

    Malfunction not confirmed	A
    Malfunction confirmed	B

    1. B: Go to step   18 
    2. A: Go to next step 
16. CHECK FOR INTERMITTENT PROBLEMS  

    NEXT: Go to next step 

    Go to step   18 

17. PARTS INSPECTION 

    NEXT: Go to next step 

18. IDENTIFICATION OF PROBLEM 

    NEXT: Go to next step 

19. ADJUSTMENT, REPAIR 

    NEXT: Go to next step 

20. CONFIRMATION TEST 

    NEXT: Go to next step 

    END