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

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips

*: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT
  2. CUSTOMER PROBLEM ANALYSIS

    Result
    Proceed to
    NEXT

    NEXT
  3. CONNECT GTS TO DLC3

    Tech Tips

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

    When any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.

    Result
    Proceed to
    NEXT

    NEXT
  4. CHECK DTC AND FREEZE FRAME DATA*


    1. Check for DTCs (Click here ) and freeze frame data Click here.

      Tech Tips

      Record or print DTCs and freeze frame data if necessary.

      Result
      Proceed to
      NEXT

    NEXT
  5. CLEAR DTC AND FREEZE FRAME DATA*


    1. Clear DTCs and freeze frame data.

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  6. CONDUCT VISUAL INSPECTION

    Result
    Proceed to
    NEXT

    NEXT
  7. CONFIRM PROBLEM SYMPTOMS

    Tech Tips

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

    Result
    Result Proceed to
    Malfunction occurs A
    Malfunction does not occur B

    B
    A
  8. CHECK DTC*

    Tech Tips

    Refer to DTC Check / Clear.

    Click here

    Result
    Result Proceed to
    Trouble code A
    No trouble code B

    A
    B
  9. CONDUCT BASIC INSPECTION


    1. Conduct basic inspection.

      Click here

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

    B
    A
  10. REFER TO PROBLEM SYMPTOMS TABLE

    Tech Tips


    • Refer to Problem Symptoms Table.

      Click here

    • Also, refer to the inspection procedure for the problem symptom.

    Result
    Proceed to
    NEXT

    NEXT
  11. PARTS INSPECTION

    Result
    Proceed to
    NEXT

    NEXT
  12. IDENTIFY PROBLEM

    Result
    Proceed to
    NEXT

    NEXT
  13. ADJUST AND/OR REPAIR

    Result
    Proceed to
    NEXT

    NEXT
  14. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT