How To Proceed With Troubleshooting

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

1. VEHICLE BROUGHT TO WORKSHOP 
   1. :Go to next step. 
2. CUSTOMER PROBLEM ANALYSIS (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
   1. :Go to next step. 
NOTE:

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

3. CONNECT HAND-HELD TESTER TO DLC3 
   1. :Go to next step. 
NOTE:

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

4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 
   1. :Go to next step. 
5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 
   1. :Go to next step. 
6. VISUAL INSPECTION 
   1. :Go to next step. 
7. SET CHECK (TEST) MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 
   1. :Go to next step. 
NOTE:

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

8. PROBLEM SYMPTOM CONFIRMATION 
   PROBLEM SYMPTOM CONFIRMATION
   
   

   A	Malfunction does not occur
   B	Malfunction occurs

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

    A	Malfunction code
    B	No code

    1. B: GO TO STEP   12 
    2. A: Go to next step. 
11. PROCEED TO DTC CHART (See  DTC CHECK/CLEAR  ) 
    1. :Go to step   14 
12. BASIC INSPECTION (See  BASIC INSPECTION  ) 
    BASIC INSPECTION
    
    

    A	Wrong parts not confirmed
    B	Wrong parts confirmed

    1. B: GO TO STEP   17 
    2. A: Go to next step. 
13. PROCEED TO PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    PROBLEM SYMPTOM
    
    

    A	Wrong circuit confirmed
    B	Wrong parts confirmed

    1. B: GO TO STEP   17 
    2. A: Go to next step. 
14. CHECK ECM POWER SOURCE CIRCUIT (See  ECM POWER SOURCE CIRCUIT  ) 
    1. :Go to next step. 
15. CIRCUIT INSPECTION 
    CIRCUIT INSPECTION
    
    

    A	Malfunction not confirmed
    B	Malfunction confirmed

    1. B: GO TO STEP   18 
    2. A: Go to next step. 
16. CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS  ) 
    1. :Go to step   18 
17. PARTS INSPECTION 
    1. :Go to next step. 
18. PROBLEM IDENTIFICATION 
    1. :Go to next step. 
19. ADJUSTMENT AND/OR REPAIR 
    1. :Go to next step. 
20. CONFIRMATION TEST 

    END