Basic Inspection

When the malfunction is not confirmed in the DTC check, troubleshooting should be carried out in all the 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 the ignition switch off.
   BATTERY VOLTAGE REFERENCE
   
   

   	OK	NG
   Voltage	11V or more	Less than 11 V

   NG: CHARGE OR REPLACE BATTERY 

   OK: Go to Next Step 

2. CHECK IF ENGINE CRANKS 

   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