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 SUB-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 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 the ignition switch off.
    Result
    Result
    		Proceed to
    11 V or higher
    		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 AIR FILTER
    OK


    4.CHECK FUEL QUALITY

    1. Check that only diesel fuel is being 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 FUEL PIPES OR HOSES
      OK


      7.CHECK FUEL FILTER ELEMENT SUB-ASSEMBLY FOR BLOCKAGE


        		NG.
        REPAIR OR REPLACE FUEL FILTER ELEMENT SUB-ASSEMBLY
        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.
              REPLACE FUEL SUPPLY PUMP ASSEMBLY
              OK


              11.CHECK DIAGNOSTIC CIRCUIT


                		NG.
                REPAIR OR REPLACE MALFUNCTIONING CIRCUIT
                OK


                12.CHECK VACUUM PUMP


                  		NG.
                  REPAIR OR REPLACE VACUUM PUMP
                  OK

                  PROCEED TO PROBLEM SYMPTOMS TABLE