СИСТЕМА ECD ОСНОВНАЯ ПРОВЕРКА

DTC Code DTC Name
BASIC INSPECTION

CAUTION / NOTICE / HINT

Tech Tips

When a malfunction cannot be confirmed by the DTC (Diagnostic Trouble Code) check, troubleshooting should be performed 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. Therefore, using this check is essential when troubleshooting the engine.

PROCEDURE


  1. CHECK BATTERY VOLTAGE

    Note

    Perform this check with the engine stopped and the ignition switch off.

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

    NG

    CHARGE OR REPLACE BATTERY

    OK

  2. CHECK IF ENGINE WILL CRANK

    Result
    Proceed to
    OK
    NG

    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.

      Result
      Proceed to
      OK
      NG

    NG

    CLEAN OR REPLACE

    OK

  4. CHECK FUEL QUALITY


    1. Check that only diesel fuel has been used.

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

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FUEL

    OK

  5. CHECK FUEL FOR AIR

    Result
    Proceed to
    OK
    NG

    NG

    BLEED AIR FROM FUEL

    OK

  6. CHECK FUEL PIPES AND HOSES


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

      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE

    OK

  7. CHECK FUEL FILTER ELEMENT ASSEMBLY FOR BLOCKAGE

    Result
    Proceed to
    OK
    NG

    NG

    REPAIR OR REPLACE

    OK

  8. CHECK ENGINE OIL

    Result
    Proceed to
    OK
    NG

    NG

    ADD OR REPLACE ENGINE OIL

    OK

  9. CHECK ENGINE COOLANT

    Result
    Proceed to
    OK
    NG

    NG

    ADD OR REPLACE ENGINE COOLANT

    OK

  10. CHECK IDLING SPEED AND MAXIMUM SPEED

    Result
    Proceed to
    OK
    NG

    NG

    REPAIR OR REPLACE INJECTION PUMP

    OK

  11. CHECK DIAGNOSTIC CIRCUIT

    Result
    Proceed to
    OK
    NG

    NG

    REPAIR OR REPLACE

    OK

  12. CHECK VACUUM PUMP

    Result
    Proceed to
    OK
    NG

    OK

    PROCEED TO PROBLEM SYMPTOMS TABLE

    NG

    REPAIR OR REPLACE VACUUM PUMP