ECD SYSTEM(for Swirl Control Valve) BASIC INSPECTION

DTC Code DTC Name
BASIC INSPECTION

CAUTION / NOTICE / HINT

Tech Tips

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.

PROCEDURE


  1. CHECK BATTERY VOLTAGE

    Note

    Carry out the battery voltage check with the engine stopped and the ignition switch off.

    Result
    Result Proceed to
    11 V or more OK
    Less than 11 V NG

    NG

    CHARGE OR REPLACE BATTERY

    OK

  2. CHECK IF ENGINE CRANKS

    Result
    Proceed to
    OK
    NG

    NG

    PROCEED TO PROBLEM SYMPTOMS TABLE Click here

    OK

  3. CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY


    1. Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.

      Result
      Proceed to
      OK
      NG

    NG

    CLEAN OR REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

    OK

  4. CHECK FUEL QUALITY


    1. Check that only diesel fuel is used.

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

      Result
      Proceed to
      OK
      NG

    NG

    DRAIN AND REFILL 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 FUEL PIPE AND HOSES

    OK

  7. CHECK FUEL FILTER FOR BLOCKAGE

    Result
    Proceed to
    OK
    NG

    NG

    CLEAN OR REPLACE FUEL FILTER

    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 DIAGNOSTIC CIRCUIT

    Result
    Proceed to
    OK
    NG

    NG

    REPLACE OR REPLACE MALFUNCTIONING CIRCUIT

    OK

  11. CHECK VACUUM PUMP

    Result
    Proceed to
    OK
    NG

    OK

    PROCEED TO PROBLEM SYMPTOMS TABLE Click here

    NG

    REPAIR OR REPLACE VACUUM PUMP