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  PRE-CHECK   ) 

   HINT:

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

5. CLEAR DTC AND FREEZE FRAME DATA (See  PRE-CHECK   ) 
6. VISUAL INSPECTION 
7. SETTING CHECK (TEST) MODE DIAGNOSIS (See  PRE-CHECK   ) 
8. PROBLEM SYMPTOM CONFIRMATION 

   HINT:

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

   1. IF MALFUNCTION OCCURS, GO TO STEP   10 
   2. IF MALFUNCTION DOES NOT OCCUR, GO TO NEXT STEP. 
9. SYMPTOM SIMULATION 
10. DTC CHECK (See  PRE-CHECK   ) 
    1. IF MALFUNCTION CODE EXISTS, GO TO NEXT STEP. 
    2. IF MALFUNCTION CODE DOES NOT EXIST, GO TO STEP   12 . 
11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 
    1. GO TO STEP   14 
12. BASIC INSPECTION (See  PRE-CHECK   ) 
    1. IF WRONG PARTS ARE CONFIRMED, GO TO STEP   17 
    2. IF WRONG PARTS ARE NOT CONFIRMED, GO TO NEXT STEP. 
13. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
    1. IF WRONG CIRCUIT IS CONFIRMED, GO TO NEXT STEP. 
    2. IF WRONG PART IS CONFIRMED, GO TO STEP   17 . 
14. CHECK ECM POWER SOURCE CIRCUIT (See  ECM POWER SOURCE CIRCUIT   ) 
15. CIRCUIT INSPECTION 
    1. IF MALFUNCTION IS CONFIRMED, GO TO STEP   18 . 
    2. IF MALFUNCTION IS NOT CONFIRMED, GO TO NEXT STEP. 
16. CHECK FOR INTERMITTENT PROBLEM (See  PRE-CHECK   ) 
    1. GO TO STEP   18 
17. PARTS INSPECTION 
18. IDENTIFICATION OF PROBLEM 
19. ADJUSTMENT, REPAIR 
20. CONFIRMATION TEST 

    END