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 CHECK
   
   

   	OK	NG
   Voltage	11 V or more	Less than 11 V

   1. NG: CHARGE OR REPLACE BATTERY 

   OK: Go to Next Step. 

2. CHECK IF ENGINE WILL CRANK 
   1. NG: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE  

   OK: Go to Next Step. 

3. CHECK IF ENGINE STARTS 
   1. NG: GO TO STEP   7 

   OK: Go to Next Step. 

4. CHECK AIR FILTER 

   Visually check if the air filter is contaminated or oily.

   1. NG: CLEAN OR REPLACE 

   OK: Go to Next Step. 

5. CHECK IDLE SPEED (See  ENGINE (2AZ-FE) (FROM JULY, 2003)  ) 
   1. NG: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE  

   OK: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE  

6. CHECK FUEL PRESSURE (See  ON-VEHICLE INSPECTION  ) 
   1. NG: PROCEED TO  ON-VEHICLE INSPECTION  AND CONTINUE TO TROUBLESHOOT 

   OK Go to Next Step. 

7. CHECK FOR SPARK (See  INSPECTION  ) 
   1. NG: PROCEED TO  IGNITION SYSTEM (2AZ-FE) (FROM JULY, 2003)  AND CONTINUE TO TROUBLESHOOT 

   OK: PROCEED TO PROBLEM SYMPTOMS TABLE ON  PROBLEM SYMPTOMS TABLE