ECD SYSTEM BASIC INSPECTION

When the malfunction code is not confirmed in the DTC check, troubleshooting should be carried out in order for all possible circuits to be considered as the cases of the problems.

In many cases, by carrying out the basic engine check shown in the following flow chart, the location causing the problem can be found quickly and efficiently. Therefore, use of this check is essential in engine troubleshooting.


  1. CHECK BATTERY POSITIVE VOLTAGE

    Note

    Carry out this check under the engine stoppage condition.

    OK NG
    Voltage 11 V or more Less than 11 V

    NG

    CHARGE OR REPLACE BATTERY
    OK

  2. CHECK IF ENGINE IS CRANKED


    NG

    PROCEED TO PROBLEM TABLE ON PAGE Click here

    OK

  3. CHECK AIR FILTER


    1. A01KFP7E01
      Text in Illustration
      *a Inside

      Visually check that the air filter is not excessively dirty or oily.

      Tech Tips

      Visually check that the air filter is not excessively dirty or oily.

      Note

      If necessary, clean the filter with compressed air. First blow from the inside thoroughly, then blow from the outside of the filter.


      NG

      REPAIR OR REPLACE
      OK

  4. CHECK FUEL QUALITY


    1. Check that use only diesel fuel.

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


      NG

      REPLACE FUEL
      OK

  5. CHECK ENGINE OIL Click here


    NG

    ADD OR REPLACE
    OK

  6. CHECK COOLANT Click here


    NG

    REPLACE COOLANT
    OK

  7. CHECK DIAGNOSTIC CONNECTOR (DLC3) CIRCUIT Click here


    NG

    REPAIR OR REPLACE
    OK

  8. CHECK PCV SYSTEM Click here


    NG

    REPAIR OR REPLACE
    OK
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