How To Proceed With Troubleshooting

The hand-held tester is used in steps 3, 4, 5, 7 and 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. 
3. CONNECT HAND-HELD TESTER TO DLC3 

   HINT:

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

   1. Go to next step. 
4. CHECK PTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

   HINT:

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

   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. SETTING CHECK (TEST) MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 
   1. 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. Go to next step. 
10. DTC CHECK (See  DTC CHECK/CLEAR  ) 
    DTC CHECKING
    
    

    Malfunction code	A
    No code	B

    1. B: Go to step   12 
    2. A: GO TO NEXT STEP. 
11. PTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. Go to step   14 
12. BASIC INSPECTION (See  BASIC INSPECTION  ) 
    BASIC INSPECTION
    
    

    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
    
    

    Wrong circuit confirmed	A
    Wrong parts confirmed	B

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