How To Proceed With Troubleshooting

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

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

   HINT:

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

   1. 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 needed.

   1. NEXT: GO TO NEXT STEP. 
5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR   ) 
   1. NEXT: GO TO NEXT STEP. 
6. VISUAL INSPECTION 
   1. NEXT: GO TO NEXT STEP. 
7. SETTING CHECK MODE DIAGNOSIS (See  CHECK MODE PROCEDURE   ) 
   1. NEXT: GO TO NEXT STEP. 
8. PROBLEM SYMPTOM CONFIRMATION 

   HINT:

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

   PROBLEM SYMPTOM CONFIRMATION
   
   

   Malfunction does not occur	A
   Malfunction occurs	B

   1. B: GO TO STEP   10 
   2. A: GO TO NEXT STEP. 
9. SYMPTOM SIMULATION 
   1. NEXT: GO TO NEXT STEP. 
10. DTC CHECK (See  DTC CHECK/CLEAR   ) 
    SYMPTOM SIMULATION
    
    

    Malfunction code	A
    No code	B

    1. B: GO TO STEP   12 
    2. A: GO TO NEXT STEP. 
11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
    1. NEXT: GO TO NEXT STEP. 

    GO TO STEP   14  .

12. BASIC INSPECTION (See  BASIC INSPECTION   ) 
    DIAGNOSTIC TROUBLE CODE CHART
    
    

    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 (See  PROBLEM SYMPTOMS TABLE   ) 
    PROBLEM SYMPTOMS CHART
    
    

    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 (See  ECM POWER SOURCE CIRCUIT   ) 

    GO TO NEXT STEP. 

15. CIRCUIT INSPECTION 
    CIRCUIT INSPECTION
    
    

    Malfunction not confirmed	A
    Malfunction confirmed	B

    1. B: GO TO STEP   18 
    2. A: GO TO NEXT STEP. 
16. CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS   ) 
    1. NEXT: GO TO NEXT STEP. 

    GO TO STEP   18 

17. PARTS INSPECTION 
    1. NEXT: GO TO NEXT STEP. 
18. IDENTIFICATION OF PROBLEM 
    1. NEXT: GO TO NEXT STEP. 
19. ADJUSTMENT AND/OR REPAIR 
    1. NEXT: GO TO NEXT STEP. 
20. CONFIRMATION TEST 
    1. NEXT: GO TO NEXT STEP. 

    END