SFI SYSTEM (w/o Secondary Air Injection System) BASIC INSPECTION

When a malfunction is not confirmed in the DTC check, perform troubleshooting on all circuits considered 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. This check is essential when troubleshooting the engine.


  1. CHECK BATTERY VOLTAGE

    Note

    Perform the battery check with the engine stopped and ignition switch OFF.

    Result
    Result Proceed to
    11 V or more OK
    Below 11 V NG

    NG

    CHARGE OR REPLACE BATTERY
    OK

  2. CHECK IF ENGINE CRANKS


    NG

    PROCEED TO PROBLEM SYMPTOMS TABLE
    OK

  3. CHECK IF ENGINE STARTS


    NG

    Go to step 6
    OK

  4. CHECK AIR FILTER


    1. Perform a visual check and make sure that the air filter is not contaminated with dirt or oil.


      NG

      REPLACE AIR FILTER
      OK

  5. CHECK IDLING SPEED


    NG

    TROUBLESHOOT ENGINE MECHANICAL
    OK
    PROCEED TO PROBLEM SYMPTOMS TABLE

  6. CHECK FUEL PRESSURE


    1. Check the fuel pressure Click here.


      NG

      TROUBLESHOOT FUEL SYSTEM AND PROCEED TO NEXT STEP
      OK

  7. CHECK FOR SPARK


    1. Check the ignition system Click here.


      NG

      TROUBLESHOOT IGNITION SYSTEM AND PROCEED TO NEXT STEP
      OK
      PROCEED TO TROUBLESHOOTING