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How To Proceed With Troubleshooting

HINT:

*: Use the intelligent tester.

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CONNECT INTELLIGENT TESTER TO DLC3* 

    HINT:

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

  3. CHECK DTC AND FREEZE FRAME DATA* 

    HINT:

    Record or print DTCs and freeze frame data, if necessary (See DTC CHECK / CLEAR  ).

  4. CLEAR DTC AND FREEZE FRAME DATA* 

    HINT:

    (See DTC CHECK / CLEAR  )

  5. CONDUCT VISUAL INSPECTION 
  6. SET CHECK MODE DIAGNOSIS* 

    HINT:

    (See CHECK MODE PROCEDURE  )

  7. CONFIRM PROBLEM SYMPTOMS 

    HINT:

    If the engine does not start, first perform the "check DTC" procedures and "conduct basic inspection" procedures below.

    RESULT REFERENCE

    Result Proceed to
    Malfunction does not occur A
    Malfunction occurs B

    B: GO TO STEP   9

    A: GO TO NEXT STEP 

  8. SIMULATE SYMPTOMS 
  9. CHECK DTC* 

    HINT:

    (See DTC CHECK / CLEAR  )

    RESULT REFERENCE

    Result Proceed to
    Malfunction code A
    No code B

    B: GO TO STEP  11

    A: GO TO NEXT STEP 

  10. REFER TO DTC CHART 

    HINT:

    (See DIAGNOSTIC TROUBLE CODE CHART  )

    NEXT: GO TO STEP   13

  11. CONDUCT BASIC INSPECTION 

    HINT:

    (See CHECK FOR INTERMITTENT PROBLEMS  )

    RESULT REFERENCE

    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    B:  GO TO STEP  16

    A: GO TO NEXT STEP 

  12. REFER TO  PROBLEM SYMPTOMS TABLE  

    HINT:

    (See PROBLEM SYMPTOMS TABLE  )

    RESULT REFERENCE

    Result Proceed to
    Malfunctioning circuit confirmed A
    Malfunctioning parts confirmed B

    B: GO TO STEP   16

    A: GO TO NEXT STEP 

  13. CHECK ECM POWER SOURCE CIRCUIT 

    HINT:

    (See ECM POWER SOURCE CIRCUIT  )

  14. CONDUCT CIRCUIT INSPECTION 
    RESULT REFERENCE

    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    B: GO TO STEP   17

    A: GO TO NEXT STEP 

  15. CHECK FOR INTERMITTENT PROBLEMS 

    HINT:

    (See CHECK FOR INTERMITTENT PROBLEMS  )

    NEXT: GO TO STEP   17

  16. CONDUCT PARTS INSPECTION 
  17. IDENTIFY PROBLEM 
  18. ADJUST, REPAIR OR REPLACE 
  19. CONDUCT CONFIRMATION TEST 

    NEXT: END