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 ( CUSTOMER PROBLEM ANALYSIS CHECK   ) 
3. CONNECT HAND-HELD TESTER TO DLC3 

   HINT:

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

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

   HINT:

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

5. CLEAR DTC AND FREEZE FRAME DATA ( DTC CHECK/CLEAR   ) 
6. VISUAL INSPECTION 
7. SETTING CHECK (TEST) MODE DIAGNOSIS ( 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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   1. B: GO TO STEP   10 
   2. A: GO TO NEXT STEP. 
9. SYMPTOM SIMULATION 
10. DTC CHECK ( DTC CHECK/CLEAR   ) 
    Fig 2: DTC Check Table

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    1. B: GO TO STEP   12 
    2. A: GO TO NEXT STEP. 
11. DTC CHART ( DIAGNOSTIC TROUBLE CODE CHART   ) 

    GO TO STEP   14 

12. BASIC INSPECTION ( BASIC INSPECTION   ) 
    Fig 3: Basic Inspection Chart

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    1. B: GO TO STEP   17 
    2. A: GO TO NEXT STEP. 
13. PROBLEM SYMPTOMS TABLE ( PROBLEM SYMPTOMS TABLE   ) 
    Fig 4: PROBLEM SYMPTOMS TABLE

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    1. B: GO TO STEP   17 
    2. A: GO TO NEXT STEP. 
14. CHECK ECM POWER SOURCE CIRCUIT ( ECM POWER SOURCE CIRCUIT   ) 
15. CIRCUIT INSPECTION 
    Fig 5: Circuit Inspection Chart

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    1. B: GO TO STEP   18 
    2. A: GO TO NEXT STEP. 
16. CHECK FOR INTERMITTENT PROBLEMS ( CHECK FOR INTERMITTENT PROBLEMS   ) 

    GO TO STEP   18 

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

    END