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Engine Basic Check

ENGINE BASIC CHECK DIAGNOSTIC REFERENCE

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2 
  1. Check battery voltage.

Is it 11 V or more? 		 Go to Step 3. Charge or replace battery.
3  Is engine cranked?  Go to Step 4. Go to CRANKING SYSTEM SYMPTOM DIAGNOSIS .
4  Does engine start?  Go to Step 5. Go to Step 7.
5 
  1. Check engine idle speed / IAC duty referring to IDLE SPEED / IDLE AIR CONTROL (IAC) DUTY INSPECTION .

Is check result as specified? 		 Go to Step 6. Go to ENGINE SYMPTOM DIAGNOSIS .
6 
  1. Check ignition timing referring to IGNITION TIMING CHECK AND ADJUSTMENT .

Is check result as specified? 		 Go to ENGINE SYMPTOM DIAGNOSIS . Adjust ignition timing.
7  Check fuel supply
  1. Check to make sure that enough fuel is filled in fuel tank.
  2. Turn ON ignition switch for 3 seconds and then OFF. Repeat this a few times.

Is fuel return pressure (returning sounds) felt from fuel return hose when ignition switch is turned ON? 		 Go to Step 9. Go to Step 8.
8 
  1. Check fuel pump for operating.

Was fuel pump operating sound heard from fuel filler for about 3 seconds after ignition switch ON and stop? 		 Go to FUEL PRESSURE CONTROL SYSTEM INSPECTION . Go to FUEL PUMP CIRCUIT INSPECTION .
9 
  1. Check ignition spark referring to IGNITION SPARK CHECK .

Is it in good condition? 		 Go to Step 10. Go to IGNITION SYSTEM SYMPTOM DIAGNOSIS .
10 
  1. Check fuel injector referring to FUEL INJECTOR INSPECTION .

Is it in good condition? 		 Go to ENGINE SYMPTOM DIAGNOSIS . Go to FUEL INJECTOR CIRCUIT INSPECTION .
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