ECD SYSTEM(w/o Glow Plug Controller)

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

*: 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*

    Tip:

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

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

    Click here

    Result

    Proceed to

    NEXT
    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*

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

      Tip:

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

    Result

    Proceed to

    NEXT
    NEXT

  5. CLEAR DTC AND FREEZE FRAME DATA

    1. Clear the 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

    1. Confirm problem symptoms.

      Tip:

      • Refer to Problem Symptoms Table.

        Click hereClick here

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

      Result

      Result

      Proceed to

      Malfunction does not occur

      A

      Malfunction occurs

      B
    B

    CHECK FOR DTC*Click here

    A

  8. SIMULATE SYMPTOMS

    Tip:

    Refer to Symptom Simulation.

    Click hereClick hereClick hereClick hereClick here

    Result

    Proceed to

    NEXT
    NEXT

  9. CHECK FOR DTC*

    1. Check for DTCs.

      Tip:

      Refer to DTC Check / Clear.

      Click here

      Result

      Result

      Proceed to

      DTCs are output

      A

      DTCs are not output

      B
    B

    CONDUCT BASIC INSPECTIONClick here

    A

  10. REFER TO DTC CHART

    1. Refer to Diagnostic Trouble Code Chart.

      Click hereClick hereClick hereClick here

    Result

    Proceed to

    NEXT
    NEXT

    CHECK ECM POWER SOURCE CIRCUITClick here

  11. CONDUCT BASIC INSPECTION

    1. Conduct Basic Inspection.

      Click here

      Result

      Result

      Proceed to

      Malfunctioning parts not confirmed

      A

      Malfunctioning parts confirmed

      B
    B

    CONDUCT PARTS INSPECTIONClick here

    A

  12. REFER TO PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click hereClick here

      Result

      Result

      Proceed to

      Malfunctioning circuit confirmed

      A

      Malfunctioning parts confirmed

      B
    B

    CONDUCT PARTS INSPECTIONClick here

    A

  13. CHECK ECM POWER SOURCE CIRCUIT

    1. Check the ECM power source circuit.

      Tip:

      Refer to the ECM Power Source Circuit.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  14. CONDUCT CIRCUIT INSPECTION

    Result

    Result

    Proceed to

    Malfunction not confirmed

    A

    Malfunction confirmed

    B
    B

    IDENTIFY PROBLEMClick here

    A

  15. CHECK FOR INTERMITTENT PROBLEMS

    1. Check for intermittent problems.

      Tip:

      Refer to Check for Intermittent Problems.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

    IDENTIFY PROBLEMClick here

  16. CONDUCT PARTS INSPECTION

    Result

    Proceed to

    NEXT
    NEXT

  17. IDENTIFY PROBLEM

    Result

    Proceed to

    NEXT
    NEXT

  18. ADJUST AND/OR REPAIR

    Result

    Proceed to

    NEXT
    NEXT

  19. CONDUCT CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END