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 
   NOTE: If the display indicates a communication fault in the tool, inspect DLC3.
4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 
   NOTE: 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 
   NOTE: 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  ) 
    SYMPTOM SIMULATION
    
    

    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
    
    

    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  ) 
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 
18. IDENTIFICATION OF PROBLEM 
19. ADJUSTMENT, REPAIR 
20. CONFIRMATION TEST 
    1. END