How To Proceed With Troubleshooting

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

   Fig 1: Problem Symptom Confirmation Table

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   B: GO TO STEP   10 

   A: GO TO NEXT STEP 

9. SYMPTOM SIMULATION 
10. DTC CHECK (See  DTC CHECK/CLEAR  ) 
    Fig 2: Symptom Simulation Table

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    B: GO TO STEP   12 

    A: GO TO NEXT STEP 

11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

    GO TO STEP   14 

12. BASIC INSPECTION (See  BASIC INSPECTION  ) 
    Fig 3: Basic Inspection Table

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    B: GO TO STEP   17 

    A: GO TO NEXT STEP 

13. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    Fig 4: Problem Symptoms Table

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    B: GO TO STEP   17 

    A: GO TO NEXT STEP 

14. CHECK ECM POWER SOURCE CIRCUIT (See  ECM POWER SOURCE CIRCUIT  ) 
15. CIRCUIT INSPECTION 
    Fig 5: Circuit Inspection Table

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    B: GO TO STEP   18 

    A: GO TO NEXT STEP 

16. CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS  ) 

    GO TO STEP   18 

17. PARTS INSPECTION 
18. IDENTIFICATION OF PROBLEM 
19. ADJUSTMENT AND/OR REPAIR 
20. CONFIRMATION TEST 

    END