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 CONFIRMATION
    
    

    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 
    1. END