How To Proceed With Troubleshooting

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

   HINT:

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

   PROBLEM SYMPTOM CONFIRMATION
   
   

   A	Malfunction does not occur
   B	Malfunction occurs

   B: GO TO STEP   10 

   A: Go to Next Step. 

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

    A	Malfunction code
    B	No code

    B: GO TO STEP   12 

    A: Go to Next Step. 

11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

    GO TO STEP   14 

12. BASIC INSPECTION (See  PROBLEM SYMPTOMS TABLE  ) 
    BASIC INSPECTION
    
    

    A	Wrong parts not confirmed
    B	Wrong parts confirmed

    B: GO TO STEP   17 

    A: Go to Next Step. 

13. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    PROBLEM SYMPTOMS
    
    

    A	Wrong circuit confirmed
    B	Wrong parts confirmed

    B: GO TO STEP   17 

    A: Go to Next Step. 

14. CHECK ECM POWER SOURCE CIRCUIT (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. CHECK FOR INTERMITTENT PROBLEMS (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