Click here

SFI SYSTEM (w/ EGR System) HOW TO PROCEED WITH TROUBLESHOOTING

Click here
Click here
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 in the intelligent 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 (Click here).


    • NEXT
  5. Click here

    CLEAR DTC AND FREEZE FRAME DATA*

    Tip:

    Refer to DTC Check / Clear (Click here).


    • NEXT
  6. Click here

    CONDUCT VISUAL INSPECTION


    • NEXT
  7. Click here

    SELECT CHECK MODE DIAGNOSIS*

    Tip:

    Refer to Check Mode Procedure (Click here).


    • NEXT
  8. Click here

    CONFIRM PROBLEM SYMPTOMS

    Tip:

    • Refer to Problem Symptoms Table (Click here).

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

    Result Proceed to
    Malfunction does not occur A
    Malfunction occurs B

    • B
    • GO TO STEP 10
    • A
  9. Click here

    SIMULATE SYMPTOMS

    Tip:

    Refer to Problem Symptoms Table (Click here).


    • NEXT
  10. Click here

    CHECK DTC*

    Tip:

    Refer to DTC Check / Clear (Click here).

    Result Proceed to
    DTC is output A
    DTC is not output B

    • B
    • GO TO STEP 12
    • A
  11. Click here

    REFER TO DTC CHART

    Tip:

    Refer to Diagnostic Trouble Code Chart (Click here).


    • NEXT
  12. Click here

    CONDUCT BASIC INSPECTION

    Tip:

    Refer to Basic Inspection (Click here).

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

    • B
    • GO TO STEP 17
    • A
  13. Click here

    REFER TO PROBLEM SYMPTOMS TABLE

    Tip:

    Refer to Problem Symptoms Table (Click here).

    Result Proceed to
    Malfunctioning circuit confirmed A
    Malfunctioning parts confirmed B

    • B
    • GO TO STEP 17
    • A
  14. Click here

    CHECK ECM POWER SOURCE CIRCUIT

    Tip:

    Refer to ECM Power Source Circuit (Click here).


    • NEXT
  15. Click here

    CONDUCT CIRCUIT INSPECTION

    Result Proceed to
    Malfunction not confirmed A
    Malfunction confirmed B

    • B
    • GO TO STEP 18
    • A
  16. Click here

    CHECK FOR INTERMITTENT PROBLEMS

    Tip:

    Refer to Check for Intermittent Problems (Click here).


    • NEXT
  17. Click here

    CONDUCT PARTS INSPECTION


    • NEXT
  18. Click here

    IDENTIFY PROBLEM


    • NEXT
  19. Click here

    ADJUST AND/OR REPAIR


    • NEXT
  20. Click here

    CONDUCT CONFIRMATION TEST


    • NEXT
    • END