Basic Inspection

FA20 ENGINE CONTROL: SFI SYSTEM: BASIC INSPECTION; 2013 MY FR-S [03/2012 -]

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

1. CHECK BATTERY VOLTAGE

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

Result





NG -- CHARGE OR REPLACE BATTERY
OK -- Continue to next step.

2. CHECK WHETHER ENGINE CRANKS

NG -- PROCEED TO PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures
OK -- Continue to next step.

3. CHECK WHETHER ENGINE STARTS

NG -- GO TO STEP 6
OK -- Continue to next step.

4. CHECK AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

(a) Visually check that the air cleaner filter element sub-assembly is not excessively contaminated with dirt or oil.

NG -- REPLACE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY
OK -- Continue to next step.

5. CHECK IDLING SPEED

(a) Check the engine idling speed Engine.

NG -- TROUBLESHOOT IDLING SPEED AND PROCEED TO NEXT STEP
OK -- Continue to next step.

6. CHECK FUEL PRESSURE

(a) Check the fuel pressure Fuel System.

NG -- TROUBLESHOOT FUEL PRESSURE AND PROCEED TO NEXT STEP
OK -- Continue to next step.

7. CHECK FOR SPARK

(a) Perform a spark test Testing and Inspection.

NG -- TROUBLESHOOT SPARK AND PROCEED TO NEXT STEP

OK -- PROCEED TO PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures