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 REFERENCE
   
   

   	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

   Visually check if the air filter is contaminated or oily.

   NG: CLEAN OR REPLACE

   OK: GO TO NEXT STEP

5. CHECK IDLE SPEED

   NG: PROCEED TO PROBLEM SYMPTOMS TABLE 

   OK: GO TO NEXT STEP

6. CHECK FUEL PRESSURE

   NG: PROCEED TO FUEL PUMP CONTROL CIRCUIT  INSPECTION AND CONTINUE TO TROUBLESHOOT

   OK: GO TO NEXT STEP

7. CHECK FOR SPARK

   NG: PROCEED TO IGNITION SYSTEM INSPECTION AND CONTINUE TO TROUBLESHOOT

   OK: PROCEED TO PROBLEM SYMPTOMS TABLE