GSIC - Global Service Information Center

# SFI SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

## for Preparation Click here

When using intelligent tester, troubleshoot in accordance with the procedures shown below.

HINT:

  *: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT |

2.CUSTOMER PROBLEM ANALYSIS

NEXT |

3.CONNECT INTELLIGENT TESTER TO DLC3*

HINT:

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

NEXT |

4.CHECK DTC AND FREEZE FRAME DATA*

HINT:

  Record or print DTCs and freeze frame data if needed.

NEXT |

5.CLEAR DTC AND FREEZE FRAME DATA*

NEXT |

6.CONDUCT VISUAL INSPECTION

NEXT |

7.SET CHECK MODE DIAGNOSIS*

NEXT |

8.CONFIRM PROBLEM SYMPTOMS

HINT:

  If the engine does not start, first perform "check DTC" procedures and "conduct basic inspection" procedures below.

Result:

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

| B. |

Go to step 10

A |

9.SIMULATE SYMPTOMS

NEXT |

10.CHECK DTC*

Result:

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

| B. |

Go to step 12

A |

11.REFER TO DTC CHART

NEXT |

Go to step 14

12.CONDUCT BASIC INSPECTION

Result:

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

| B. |

Go to step 17

A |

13.REFER TO PROBLEM SYMPTOMS TABLE

Result:

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

| B. |

Go to step 17

A |

14.CHECK ECM POWER SOURCE CIRCUIT

Click here

NEXT |

15.CONDUCT CIRCUIT INSPECTION

Result:

  Result | Proceed to
  Malfunction not confirmed | A
  Malfunction confirmed | B

| B. |

Go to step 18

A |

16.CHECK FOR INTERMITTENT PROBLEMS

NEXT |

Go to step 18

17.CONDUCT PARTS INSPECTION

NEXT |

18.IDENTIFY PROBLEM

NEXT |

19.ADJUST AND/OR REPAIR

NEXT |

20.CONDUCT CONFIRMATION TEST

NEXT |

END

1. When not using intelligent tester, troubleshoot in accordance with the procedures shown below.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT |

2.CUSTOMER PROBLEM ANALYSIS

NEXT |

3.CHECK AND CLEAR DTC

NEXT |

4.CONFIRM PROBLEM SYMPTOMS

Result:

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

| B. |

SIMULATE SYMPTOM

A |

5.CHECK DTC

Result:

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

| B. |

Go to step 7

A |

6.REFER TO DTC CHART

NEXT |

Go to step 9

7.CONDUCT BASIC INSPECTION

Result:

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

| B. |

Go to step 12

A |

8.REFER TO PROBLEM SYMPTOMS TABLE

Result:

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

| B. |

Go to step 12

A |

9.CHECK ECM POWER SOURCE CIRCUIT

Click here

NEXT |

10.CONDUCT CIRCUIT INSPECTION

Result:

  Result | Proceed to
  Malfunction not confirmed | A
  Malfunction confirmed | B

| B. |

Go to step 13

A |

11.CHECK FOR INTERMITTENT PROBLEMS

NEXT |

Go to step 13

12.CONDUCT PARTS INSPECTION

NEXT |

13.IDENTIFY PROBLEM

NEXT |

14.ADJUST AND/OR REPAIR

NEXT |

15.CONDUCT CONFIRMATION TEST

NEXT |

END