How To Proceed With Troubleshooting

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

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 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

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

    A	Malfunction code
    B	No code

    1. B: GO TO STEP  12 . 
    2. A: Go to next step. 
11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
    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. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
    PROBLEM SYMPTOMS DESCRIPTION
    
    

    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. IDENTIFICATION OF PROBLEM 
    1. GO TO NEXT STEP. 
19. ADJUSTMENT, REPAIR 
    1. GO TO NEXT STEP. 
20. CONFIRMATION TEST 

1. END