How To Proceed With Troubleshooting

The hand-held tester is used in steps 3, 4, 5, 7 and 10.

1. VEHICLE BROUGHT TO WORKSHOP 

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2. See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 

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3. CONNECT THE HAND-HELD TESTER TO DLC3 

   HINT:

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

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4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

   HINT:

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

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5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

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6. VISUAL INSPECTION 

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7. SETTING THE CHECK (TEST) MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 

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8. PROBLEM SYMPTOM CONFIRMATION 

   HINT:

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

   MALFUNCTION CODE REFERENCE
   
   

   A	Malfunction does not occur
   B	Malfunction occurs

   B: Go to step 10 

   A: Go to next step 

9. SYMPTOM SIMULATION 

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10. DTC CHECK (See  DTC CHECK/CLEAR  ) 
    MALFUNCTION CODE REFERENCE
    
    

    A	Malfunction code
    B	No code

    B: Go to step 12 

    A: Go to next step 

11. DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 

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    GO TO STEP 14 

12. See  BASIC INSPECTION  ) 
    MALFUNCTION CODE REFERENCE
    
    

    A	Wrong parts not confirmed
    B	Wrong parts confirmed

    B: Go to step   17 

    A: Go to Next Step 

13. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    MALFUNCTION CODE REFERENCE
    
    

    A	Wrong circuit confirmed
    B	Wrong parts confirmed

    B: Go to step   17 

    A: Go to next step 

14. CHECK ECM POWER SOURCE CIRCUIT (See  ECM POWER SOURCE CIRCUIT  ) 

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15. CIRCUIT INSPECTION 
    MALFUNCTION CODE REFERENCE
    
    

    A	Malfunction not confirmed
    B	Malfunction confirmed

    B: Go to step 18 

    A: Go to next step 

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

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    GO TO STEP 18 

17. PARTS INSPECTION 

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18. IDENTIFICATION OF PROBLEM 

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19. ADJUSTMENT, REPAIR 

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20. CONFIRMATION TEST 

    END