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How To Proceed With Troubleshooting

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

  1. VEHICLE BROUGHT TO WORKSHOP 
    1. GO TO NEXT STEP 
  2. CUSTOMER PROBLEM ANALYSIS (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
    1. GO TO NEXT STEP 
  3. CONNECT HAND-HELD TESTER TO DLC3 

    HINT:

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

    1. GO TO NEXT STEP 
  4. CHECK DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 

    HINT:

    Record or print DTCs and freeze frame data, if necessary.

    1. GO TO NEXT STEP 
  5. CLEAR DTC AND FREEZE FRAME DATA (See  DTC CHECK/CLEAR  ) 
    1. GO TO NEXT STEP 
  6. CONDUCT VISUAL INSPECTION 
    1. GO TO NEXT STEP 
  7. SET CHECK MODE DIAGNOSIS (See  CHECK MODE PROCEDURE  ) 
    1. GO TO NEXT STEP 
  8. CONFIRM PROBLEM SYMPTOMS 

    HINT:

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

    PROBLEM SYMPTOMS MALFUNCTION RESULT REFERENCE

    Result Proceed To
    Malfunction does not occur A
    Malfunction occurs B
    1. B: GO TO STEP   10 . 
    2. A: GO TO NEXT STEP 
  9. SIMULATE SYMPTOM 
    1. GO TO NEXT STEP 
  10. 10 CHECK DTC (See  DTC CHECK/CLEAR  ) 
    DTC CHECK/CLEAR MALFUNCTION RESULT REFERENCE

    Result Proceed To
    Malfunction code A
    No code B
    1. B: GO TO STEP   12 . 
    2. A: GO TO NEXT STEP 
  11. REFER TO DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. GO TO STEP   14 . 
  12. CONDUCT BASIC INSPECTION (See  BASIC INSPECTION  ) 
    BASIC INSPECTION MALFUNCTION RESULT REFERENCE

    Result Proceed To
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B
    1. B: GO TO STEP   17 . 
    2. A: GO TO NEXT STEP 
  13. REFER TO PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
    PROBLEM SYMPTOMS MALFUNCTION RESULT REFERENCE

    Result Proceed To
    Malfunctioning circuit confirmed A
    Malfunctioning parts confirmed B
    1. B: GO TO STEP   17 . 
    2. A: GO TO NEXT STEP 
  14. 14 CHECK ECM POWER SOURCE CIRCUIT (See  ECM POWER SOURCE CIRCUIT  ) 
    1. GO TO NEXT STEP 
  15. CONDUCT CIRCUIT INSPECTION 
    CONDUCT CIRCUIT MALFUNCTION RESULT REFERENCE

    Result Proceed To
    Malfunction not confirmed A
    Malfunction confirmed B
    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. CONDUCT PARTS INSPECTION 
    1. GO TO NEXT STEP 
  18. 18 IDENTIFY PROBLEM 
    1. GO TO NEXT STEP 
  19. ADJUST AND/OR REPAIR 
    1. GO TO NEXT STEP 
  20. CONDUCT CONFIRMATION TEST 
    1. END