Basic Inspection

When the malfunction is not confirmed in the DTC check, troubleshooting should be carried out in all the possible circuits considered as possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, 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 the battery voltage check with the engine stopped and ignition switch OFF.
   BATTERY VOLTAGE SPECIFICATIONS
   
   

   	OK:	NG
   Voltage	11 V or more	Less than 11 V

   1. NG: CHARGE OR REPLACE BATTERY 
   2. OK: Go to next step. 
2. CHECK IF ENGINE WILL CRANK 
   1. NG: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE  
   2. OK: Go to next step. 
3. CHECK IF ENGINE STARTS 
   1. NG: Go to step   6 . 
   2. OK: Go to next step. 
4. CHECK AIR FILTER 

   Visually check if the air filter is not contaminated dirty or oily.

   1. NG: CLEAN OR REPLACE 
   2. OK: Go to next step. 
5. CHECK IDLE SPEED (See  INSPECTION  ) 
   1. NG: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE  
   2. OK: Go to next step. 
6. CHECK FUEL PRESSURE (See  ON-VEHICLE INSPECTION  ) 
   1. NG: PROCEED TO  PROBLEM SYMPTOMS TABLE   AND CONTINUE TO TROUBLESHOOT 
   2. OK: Go to next step. 
7. CHECK FOR SPARK (See  ON-VEHICLE INSPECTION  ) 

1. NG: PROCEED TO  PROBLEM SYMPTOMS TABLE   AND CONTINUE TO TROUBLESHOOT 
2. OK: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE