Ecd System Basic Inspection

  1. CHECK BATTERY VOLTAGE

  2. CHECK IF ENGINE WILL CRANK

  3. CHECK AIR FILTER

  4. CHECK FUEL QUALITY

  5. CHECK FUEL FOR AIR

  6. CHECK FUEL PIPES AND HOSES

  7. CHECK FUEL FILTER ELEMENT ASSEMBLY FOR BLOCKAGE

  8. CHECK ENGINE OIL

  9. CHECK ENGINE COOLANT

  10. CHECK IDLING SPEED AND MAXIMUM SPEED

  11. CHECK DIAGNOSTIC CIRCUIT

  12. CHECK VACUUM PUMP

Ecd System -- Basic Inspection


HINT:
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.


1.CHECK BATTERY VOLTAGE
    NOTICE:
    Perform this check with the engine stopped and the ignition switch off.
    Standard Voltage:
    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


    		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
    OK


    4.CHECK FUEL QUALITY

    1. Check that only diesel fuel has been used.

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



    		NG .
    REPLACE FUEL
    OK


    5.CHECK FUEL FOR AIR


      		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.



      		NG.
      REPAIR OR REPLACE
      OK


      7.CHECK FUEL FILTER ELEMENT ASSEMBLY FOR BLOCKAGE


        		NG.
        REPAIR OR REPLACE
        OK


        8.CHECK ENGINE OIL


          		NG.
          ADD OR REPLACE ENGINE OIL
          OK


          9.CHECK ENGINE COOLANT


            		NG.
            ADD OR REPLACE ENGINE COOLANT
            OK


            10.CHECK IDLING SPEED AND MAXIMUM SPEED


              		NG.
              REPAIR OR REPLACE INJECTION PUMP
              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