SFI SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

The intelligent tester is used in steps 2, 3, 4, 6 and 9.

1. Click here

   VEHICLE BROUGHT TO WORKSHOP

   
   
   • NEXT
2. Click here

   CONNECT INTELLIGENT TESTER TO DLC3

   Tip:

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

   
   
   • NEXT
3. Click here

   CHECK DTC AND FREEZE FRAME DATA

   
   

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

      Tip:

      Record or print the DTCs and freeze frame data, if needed.

      
      
      • NEXT
4. Click here

   CLEAR DTC AND FREEZE FRAME DATA

   
   
   • NEXT
5. Click here

   CONDUCT VISUAL INSPECTION

   
   
   • NEXT
6. Click here

   SET CHECK MODE DIAGNOSIS

   
   
   • NEXT
7. Click here

   CONFIRM PROBLEM SYMPTOMS

   Tip:

   If the engine does not start, perform steps 10 and 12 first.

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

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

   SIMULATE SYMPTOMS

   
   
   • NEXT
9. Click here

   CHECK FOR DTCS

   
   

   1. Check for DTCs (Click here).

      Result
      Result Proceed to Trouble code A No code B

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

    REFER TO DTC CHART

    
    
    • NEXT
    • GO TO STEP 14
11. Click here

    CONDUCT BASIC INSPECTION

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

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

    REFER TO PROBLEM SYMPTOMS TABLE

    Result
    Result Proceed to Malfunctioning circuit confirmed A Malfunctioning parts confirmed B

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

    CHECK ECM POWER SOURCE CIRCUIT

    
    
    • NEXT
14. Click here

    CONDUCT CIRCUIT INSPECTION

    Result
    Result Proceed to Malfunction not confirmed A Malfunction confirmed B

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

    CHECK FOR INTERMITTENT PROBLEMS

    
    
    • NEXT
    • GO TO STEP 18
16. Click here

    CONDUCT PARTS INSPECTION

    
    
    • NEXT
17. Click here

    IDENTIFY PROBLEM

    
    
    • NEXT
18. Click here

    ADJUST AND/OR REPAIR

    
    
    • NEXT
19. Click here

    CONDUCT CONFIRMATION TEST

    
    
    • NEXT
    • END