SFI SYSTEM > BASIC INSPECTION

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When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following procedure, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when engine troubleshooting.


1.CHECK BATTERY VOLTAGE

    NOTICE:
    Carry out this check with the engine stopped and the engine switch off.

    ResultĀ 
    Result
    Proceed to
    11 V or higher
    OK
    Below 11 V
    NG


NG.
CHARGE OR REPLACE BATTERY
OK


2.CHECK WHETHER ENGINE CRANKS


    NG.
    PROCEED TO PROBLEM SYMPTOMS TABLE (Click here)
    OK


    3.CHECK WHETHER ENGINE STARTS


      NG.
      GO TO STEP 6
      OK


      4.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.



      NG.
      REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
      OK


      5.CHECK IDLE SPEED
      1. Check the engine idle speed (Click here).



      NG.
      TROUBLESHOOT IDLE SPEED AND PROCEED TO NEXT STEP
      OK


      6.CHECK FUEL PRESSURE
      1. Check the fuel pressure (Click here).



      NG.
      TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP
      OK


      7.CHECK FOR SPARK
      1. Perform a spark test (Click here).



      NG.
      TROUBLESHOOT SPARK AND PROCEED TO NEXT STEP
      OK

      PROCEED TO PROBLEM SYMPTOMS TABLE (Click here)