GSIC - Global Service Information Center

# ECD SYSTEM > BASIC INSPECTION

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HINT:

  When a malfunction cannot be confirmed by the DTC check, troubleshooting should be performed on all circuits that are possible causes of the problem. However, in most cases, performing the basic engine check shown below can help you find the problem quickly and efficiently. Always perform this check first when troubleshooting the engine.

1.CHECK BATTERY VOLTAGE

NOTICE:

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

Standard voltage:

  | OK | NG
  Voltage | 11 V or more | Less than 11 V

| NG. |

CHARGE OR REPLACE BATTERY

OK |

2.CHECK IF ENGINE WILL CRANK

| NG. |

PROCEED TO PROBLEM SYMPTOMS TABLE

OK |

3.CHECK AIR FILTER

1. Visually check that the air filter is not excessively contaminated with dirt or oil.

| NG. |

CLEAN OR REPLACE AIR FILTER

OK |

4.CHECK FUEL QUALITY

1. Check that only diesel fuel is used.

2. Check that the fuel does not contain any impurities.

| NG. |

REPLACE FUEL

OK |

5.CHECK FUEL FOR AIR

| NG. |

BLEED FUEL OF AIR

OK |

6.CHECK FUEL PIPES AND HOSES

1. Check that the fuel pipes and fuel hoses are not blocked, damaged, disconnected or bent.

| NG. |

REPAIR OR REPLACE

OK |

7.CHECK FUEL FILTER FOR BLOCKAGE

| NG. |

REPAIR OR REPLACE

OK |

8.CHECK ENGINE OIL

| NG. |

ADD OR REPLACE

OK |

9.CHECK ENGINE COOLANT

| NG. |

ADD OR REPLACE ENGINE COOLANT

OK |

10.CHECK IDLING SPEED AND MAXIMUM SPEED

| NG. |

REPLACE SUPPLY PUMP ASSEMBLY

OK |

11.CHECK DIAGNOSTIC CIRCUIT

| NG. |

REPAIR OR REPLACE

OK |

12.CHECK VACUUM PUMP

| NG. |

REPAIR OR REPLACE VACUUM PUMP

OK |

PROCEED TO PROBLEM SYMPTOMS TABLE