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 fault in 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 and freeze frame data.

      Click hereClick here

      Powertrain > Engine and ECT > Trouble Codes

      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 and ECT > 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.

      Powertrain > Engine and ECT > Utility

      Tester Display

      Check Mode

      Tip:

      Refer to Check Mode Procedure.

      Click here

    Result

    Proceed to

    NEXT

    NEXT
  8. CONFIRM PROBLEM SYMPTOMS

    1. Confirm problem symptoms.

      Tip:

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

    Result

    Result

    Proceed to

    Malfunction does not occur

    A

    Malfunction occurs

    B

    B

    CHECK FOR DTC*Click here

    A
  9. SIMULATE SYMPTOMS

    Result

    Proceed to

    NEXT

    NEXT
  10. CHECK FOR DTC*

    1. Check for DTCs.

      Click here

      Powertrain > Engine and ECT > Trouble Codes

      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
  11. REFER TO DTC CHART

    Tip:

    Refer to Diagnostic Trouble Code Chart.

    Click hereClick here

    Result

    Proceed to

    NEXT

    NEXT

    CONDUCT BASIC INSPECTIONClick here

  12. CONDUCT BASIC INSPECTION

    1. Conduct basic inspection.

      Tip:

      Refer to 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.

      Tip:

      Refer to ECM Power Source Circuit.

      Click hereClick 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.

      Tip:

      Refer to Check for Intermittent Problems.

      Click here

    Result

    Proceed to

    NEXT

    NEXT

    CONDUCT PARTS INSPECTIONClick here

  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