Basic Inspection

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

1. CHECK BATTERY VOLTAGE 
   NOTE:

   Carry out this check with the engine stopped and the ignition switch off.

   RESULT
   
   

   Result	Refer to
   11 V or more	OK
   Below 11 V	NG

   NG → CHARGE OR REPLACE BATTERY 

   OK: Refer to next step 

2. CHECK WHETHER ENGINE CRANKS 

   NG → Refer to PROBLEM SYMPTOMS TABLE.Refer to  PROBLEM SYMPTOMS TABLE  

   OK: Refer to next step 

3. CHECK WHETHER ENGINE STARTS 

   NG → Refer to STEP 6 

   OK: Refer to next step 

4. CHECK AIR FILTER 
   1. Visually check that the air filter is not excessively contaminated with dirt or oil.

      NG → REPLACE AIR FILTER.Refer to  REMOVAL - Step 21 

      OK: Refer to next step 

5. CHECK IDLING SPEED 

   NG → TROUBLESHOOT IDLING SPEED AND Refer to NEXT STEP 

   OK: Refer to next step 

6. CHECK FUEL PRESSURE 

   NG → TROUBLESHOOT FUEL PRESSURE AND Refer to NEXT STEP 

   OK: Refer to next step 

7. CHECK FOR SPARK 

   NG → TROUBLESHOOT SPARK AND Refer to NEXT STEP 

   OK → Refer to PROBLEM SYMPTOMS TABLE.Refer to  PROBLEM SYMPTOMS TABLE