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Basic Inspection

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

  1. CHECK BATTERY VOLTAGE 
    NOTE: Carry out this check with the engine stopped and ignition switch OFF.
    VOLTAGE SPECIFICATION TABLE

      OK NG
    Voltage 11 V or more Less than 11 V

    NG: CHARGE OR REPLACE BATTERY 

    OK: Go to next step. 

  2. CHECK IF ENGINE WILL CRANK 

    NG: PROCEED TO  PROBLEM SYMPTOMS TABLE  

    OK: Go to next step. 

  3. CHECK IF ENGINE STARTS 

    NG: Go to step 7 

    OK: Go to next step. 

  4. CHECK AIR FILTER 
    1. Visually check that the air filter is not excessively dirty or oily.

    NG: REPLACE AIR FILTER 

    OK: Go to next step. 

  5. CHECK IDLE SPEED (See step 8 on  INSPECTION  ) 

    NG: PROCEED TO  PROBLEM SYMPTOMS TABLE  

    OK: Go to next step. 

  6. CHECK IGNITION TIMING (See step 7 on  INSPECTION  ) 

    NG: PROCEED TO  INSPECTION  AND CONTINUE TO TROUBLESHOOT 

    OK: Go to next step. 

  7. CHECK FUEL PRESSURE (See  ON-VEHICLE INSPECTION  ) 

    NG: PROCEED TO  LOCATION  AND CONTINUE TO TROUBLESHOOT 

    OK: Go to next step. 

  8. CHECK FOR SPARK (See  INSPECTION  ) 

    NG: PROCEED TO  INSPECTION  AND CONTINUE TO TROUBLESHOOT 

    OK: PROCEED TO  PROBLEM SYMPTOMS TABLE