How To Proceed With Troubleshooting

HINT:

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

1. VEHICLE BROUGHT TO WORKSHOP 
2. (See  CUSTOMER PROBLEM ANALYSIS CHECK   ) 
3. CONNECT HAND-HELD TESTER TO DLC3 

   HINT:

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

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

   HINT:

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

5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR   ) 
6. VISUAL INSPECTION 
7. SETTING CHECK (TEST) MODE DIAGNOSIS (See  CHECK MODE PROCEDURE   ) 
8. PROBLEM SYMPTOM CONFIRMATION 

   HINT:

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

   MALFUNCTION
   
   

   A	Malfunction does not occur
   B	Malfunction occurs

   B: GO TO STEP   10 

   A: GO TO NEXT STEP 

9. SYMPTOM SIMULATION 
10. (See  DTC CHECK/CLEAR   ) 
    DTC CHECK
    
    

    A	Malfunction code
    B	No code

    B: GO TO STEP   12 

    A: GO TO NEXT STEP 

11. (See  DIAGNOSTIC TROUBLE CODE CHART   ) 

    GO TO STEP   14 

12. (See  BASIC INSPECTION   ) 
    BASIC INSPECTION
    
    

    A	Wrong parts not confirmed
    B	Wrong parts confirmed

    B: GO TO STEP   17 

    A: GO TO NEXT STEP 

13. (See  PROBLEM SYMPTOMS TABLE   ) 
    PROBLEM SYMPTOM
    
    

    A	Wrong circuit confirmed
    B	Wrong parts confirmed

    B: GO TO STEP   17 

    A: GO TO NEXT STEP 

14. CHECK (See  ECM POWER SOURCE CIRCUIT   ) 
15. CIRCUIT INSPECTION 
    CIRCUIT INSPECTION
    
    

    A	Malfunction not confirmed
    B	Malfunction confirmed

    B: GO TO STEP   18 

    A: GO TO NEXT STEP 

16. (See  CHECK FOR INTERMITTENT PROBLEMS   ) 

    GO TO STEP   18 

17. PARTS INSPECTION 
18. IDENTIFICATION OF PROBLEM 
19. ADJUSTMENT AND/ OR REPAIR 
20. CONFIRMATION TEST 

    END