GSIC - Global Service Information Center

# SFI SYSTEM > BASIC INSPECTION

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When the malfunction is not confirmed by the DTC check, perform troubleshooting on all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly and efficiently. This check is essential when troubleshooting the engine.

1.CHECK BATTERY VOLTAGE

NOTICE:

  Perform the battery check with the engine stopped and ignition switch OFF.

Result | Proceed to
11 V or more | OK
Below 11 V | NG

| NG. |

RECHARGE OR REPLACE BATTERY

OK |

2.CHECK IF ENGINE CRANKS

| NG. |

PROCEED TO PROBLEM SYMPTOMS TABLE

OK |

3.CHECK IF ENGINE STARTS

| NG. |

GO TO STEP 6

OK |

4.CHECK AIR FILTER

1. Perform a visual check and make sure that the air filter is not contaminated with dirt or oil.

| NG. |

REPLACE AIR FILTER

OK |

5.CHECK IDLING SPEED

| NG. |

PROCEED TO PROBLEM SYMPTOMS TABLE

OK |

6.CHECK FUEL PRESSURE

| NG. |

CONTINUE TO TROUBLESHOOTING

OK |

7.CHECK FOR SPARK

| NG. |

CONTINUE TO TROUBLESHOOTING

OK |

PROCEED TO PROBLEM SYMPTOMS TABLE