SFI SYSTEM

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 malfunction, inspect the DLC3.

    If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.

    Result

    Proceed to

    NEXT
    NEXT

  4. CHECK DTC AND FREEZE FRAME DATA*

    1. Check for DTCs.

      Click here

      Powertrain > Engine > Trouble Codes

    2. Check for freeze frame data.

      Click 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

      Powertrain > Engine > Clear DTCs

    Result

    Proceed to

    NEXT
    NEXT

  6. CONDUCT VISUAL INSPECTION

    Result

    Proceed to

    NEXT
    NEXT

  7. SELECT CHECK MODE DIAGNOSIS*

    1. Switch the ECM from normal mode to check mode.

      Click here

      Powertrain > Engine > Utility

      Tester Display

      Check Mode

    Result

    Proceed to

    NEXT
    NEXT

  8. CONFIRM PROBLEM SYMPTOMS

    1. Confirm problem symptoms.

      Tip:

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

    Result

    Result

    Proceed to

    Malfunction does not occur

    A

    Malfunction occurs

    B
    B

    CHECK DTC*Click here

    A

  9. SIMULATE SYMPTOMS

    Tip:

    Refer to Symptom Simulation.

    Click hereClick hereClick here

    Result

    Proceed to

    NEXT
    NEXT

  10. CHECK DTC*

    1. Check for DTCs.

      Click here

      Powertrain > Engine > Trouble Codes

      Result

      Result

      Proceed to

      DTCs are output

      A

      DTCs are not output

      B
    B

    CONDUCT BASIC INSPECTIONClick here

    A

  11. REFER TO DTC CHART

    Tip:

    Refer to Diagnostic Trouble Code Chart.

    Click hereClick here

    Result

    Proceed to

    NEXT
    NEXT

  12. 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

  13. REFER TO PROBLEM SYMPTOMS TABLE

    Tip:

    Refer to Problem Symptoms Table.

    Click here

    Result

    Result

    Proceed to

    Malfunctioning circuit confirmed

    A

    Malfunctioning parts confirmed

    B
    B

    CONDUCT PARTS INSPECTIONClick here

    A

  14. CHECK ECM POWER SOURCE CIRCUIT

    1. Check the ECM power source circuit.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  15. CONDUCT CIRCUIT INSPECTION

    Result

    Result

    Proceed to

    Malfunction not confirmed

    A

    Malfunction confirmed

    B
    B

    IDENTIFY PROBLEMClick here

    A

  16. CHECK FOR INTERMITTENT PROBLEMS

    1. Check for intermittent problems.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  17. CONDUCT PARTS INSPECTION

    Result

    Proceed to

    NEXT
    NEXT

  18. IDENTIFY PROBLEM

    Result

    Proceed to

    NEXT
    NEXT

  19. ADJUST AND/OR REPAIR

    Result

    Proceed to

    NEXT
    NEXT

  20. CONDUCT CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END