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ECD SYSTEM (w/o DPF) HOW TO PROCEED WITH TROUBLESHOOTING

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Tip:

*: Use the intelligent tester.


  1. Click here

    VEHICLE BROUGHT TO WORKSHOP


    • NEXT
  2. Click here

    CUSTOMER PROBLEM ANALYSIS


    • NEXT
  3. Click here

    CONNECT INTELLIGENT TESTER TO DLC3

    Tip:

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


    • NEXT
  4. Click here

    CHECK DTC AND FREEZE FRAME DATA*

    Tip:

    Record or print DTCs and freeze frame data if necessary.


    • NEXT
  5. Click here

    CLEAR DTC AND FREEZE FRAME DATA*


    • NEXT
  6. Click here

    VISUAL INSPECTION


    • NEXT
  7. Click here

    SET CHECK MODE DIAGNOSIS*


    1. Refer to the check mode procedure (Click here).


      • NEXT
  8. Click here

    CONFIRM PROBLEM SYMPTOMS

    Tip:

    If the engine does not start, first perform the "Check DTC" procedures and "Basic Inspection" procedures below.

    Table 1. Result
    Result Proceed to
    Malfunction occurs A
    Malfunction does not occur B

    • B
    • SIMULATE SYMPTOMS
    • A
  9. Click here

    CHECK DTC*

    Table 2. Result
    Result Proceed to
    Trouble code A
    No trouble code B

    • B
    • Go to step 11
    • A
  10. Click here

    REFER TO DTC CHART


    • NEXT
    • Go to step 13
  11. Click here

    BASIC INSPECTION

    Table 3. Result
    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    • B
    • Go to step 16
    • A
  12. Click here

    REFER TO PROBLEM SYMPTOMS TABLE

    Tip:

    Refer to the Problem Symptoms Table (Click here).

    Table 4. Result
    Result Proceed to
    Malfunctioning circuit confirmed A
    Malfunctioning parts confirmed B

    • B
    • Go to step 16
    • A
  13. Click here

    CHECK ECM POWER SOURCE CIRCUIT


    • NEXT
  14. Click here

    CONDUCT CIRCUIT INSPECTION

    Table 5. Result
    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    • B
    • Go to step 17
    • A
  15. Click here

    CHECK FOR INTERMITTENT PROBLEMS


    • NEXT
    • Go to step 18
  16. Click here

    PARTS INSPECTION


    • NEXT
  17. Click here

    IDENTIFY PROBLEM


    • NEXT
  18. Click here

    ADJUST AND/OR REPAIR


    • NEXT
  19. Click here

    CONFIRMATION TEST


    • NEXT
    • END