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Engine Basic Inspection

This check is very important for troubleshooting when ECM has detected no DTC and no abnormality has been found in VISUAL INSPECTION .

Follow the flow carefully.

ENGINE BASIC INSPECTION CHART

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  Check battery voltage 
Is it 11 V or more? 		 Go to Step 3. Charge or replace battery.
3  Is vehicle equipped with keyless start control system?  Go to Step 4. Go to Step 5.
4  Check keyless start control system for operation 
  1. Check keyless start control system referring to KEYLESS START SYSTEM OPERATION INSPECTION .

Is check result satisfactory? 		 Go to Step 5. Keyless start control system malfunction.
5  Is engine cranked?  Go to Step 6. Go to CRANKING SYSTEM SYMPTOM DIAGNOSIS .
6  Does engine start?  Go to Step 7. Go to Step 9.
7  Check idle speed 
  1. Check engine idle speed referring to IDLE SPEED AND IAC THROTTLE VALVE OPENING INSPECTION .

Is check result as specified? 		 Go to Step 8. Go to ENGINE SYMPTOM DIAGNOSIS .
8  Check ignition timing 
  1. Check ignition timing referring to IGNITION TIMING INSPECTION .

Is check result as specified? 		 Go to ENGINE SYMPTOM DIAGNOSIS . Check ignition control related parts referring to IGNITION TIMING INSPECTION .
9  Check immobilizer system for operation 
  1. Check immobilizer control system referring to IMMOBILIZER CONTROL SYSTEM CHECK .

Is it in good condition? 		 Go to Step 10. Immobilizer control system malfunction.
10  Check fuel supply 
  1. Check to make sure that enough fuel is filled in fuel tank.
  2. Turn ON ignition switch for 2 sec. and then OFF.
  3. Repeat Step 2) a few times.

Is fuel pressure felt from fuel feed hose when ignition switch is turned ON? 
G04846559Courtesy of SUZUKI OF AMERICA CORP.
 Go to Step 12. Go to Step 11.
11  Check fuel pump for operation 
Was fuel pump operating sound heard from fuel filler for about 2 sec. after ignition switch ON and stop? 		 Go to FUEL PRESSURE CHECK . Go to FUEL PUMP AND ITS CIRCUIT CHECK .
12  Check ignition spark 
  1. Check ignition spark referring to IGNITION SPARK TEST .

Is it in good condition? 		 Go to Step 13. Go to IGNITION SYSTEM SYMPTOM DIAGNOSIS .
13  Check fuel injector circuit 
  1. Check fuel injector circuit referring to FUEL INJECTOR CIRCUIT CHECK .

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