Basic Inspection

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

1. Is battery voltage 11 V or more when engine stopped? 
   1. NO: Charge or replace battery. 
   2. YES: Go to next step 
2. Is engine cranked? 
   1. NO: Proceed to  TEST  and continue to troubleshooting 
   2. YES: Go to next step 
3. Does engine start? 
   1. NO: Go to step   6 . 
   2. YES: Go to next step 
4. Check air filter. 

   PREPARATION: 

   Remove the air filter.

   CHECK: 

   Visual check that the air filter is not excessively dirty or oily.

   1. NG: Repair or replace air filter. 
   2. OK: Go to next step 
5. Check idle speed (See  IDLE SPEED  ). 
   1. NG: Proceed to  PROBLEM SYMPTOMS TABLE   . 
   2. OK: Go to next step 
6. Check fuel pressure (See  FUEL PUMP  ). 
   1. NG: Proceed to  FUEL PUMP  and continue to troubleshooting 
   2. OK: Go to next step 
7. Check for spark (See  IGNITION SYSTEM  ). 
   1. NG: Proceed to  IGNITION SYSTEM  and continue to troubleshooting 
   2. OK: Proceed to  PROBLEM SYMPTOMS TABLE   .