GSIC - Global Service Information Center

# SFI SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

## for Preparation Click here

HINT:

  *: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

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2.CUSTOMER PROBLEM ANALYSIS

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3.CONNECT INTELLIGENT TESTER TO THE DLC3*

HINT:

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

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4.CHECK DTC AND FREEZE FRAME DATA*

Refer to the DTC check / clear (Click here).

HINT:

  Record or print DTCs and freeze frame data if needed.

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5.CONDUCT VISUAL INSPECTION

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6.SET CHECK MODE DIAGNOSIS*

Refer to the check mode procedure (Click here).

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7.CONFIRM PROBLEM SYMPTOMS

HINT:

  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 |

8.SIMULATE SYMPTOMS

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9.CHECK DTC

Refer to the DTC check / clear (Click here).

Result | Proceed to
Malfunction code | A
No code | B

| B. |

GO TO STEP 12

A |

10.REFER TO DTC CHART

Refer to the diagnostic trouble code chart (Click here).

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GO TO STEP 14

11.CONDUCT BASIC INSPECTION

Refer to the basic inspection (Click here).

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

| B. |

GO TO STEP 17

A |

12.REFER TO PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table (Click here).

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

| B. |

GO TO STEP 17

A |

13.CHECK ECM POWER SOURCE CIRCUIT

Refer to the ECM power source circuit (Click here).

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14.CONDUCT CIRCUIT INSPECTION

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

| B. |

GO TO STEP 18

A |

15.CHECK FOR INTERMITTENT PROBLEMS

Refer to the check for intermittent problems (Click here).

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GO TO STEP 18

16.CONDUCT PARTS INSPECTION

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17.IDENTIFY PROBLEM

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18.ADJUST AND/OR REPAIR

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19.CONDUCT CONFIRMATION TEST

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END