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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4A9> 13A-254 STEP 8. Check injector for operating sound. • Check injector for operating sound at engine cranking (Refer to Q: Can operating sound be heard? YES : Go to Step 9 . NO : Check the injector system of the defective cylinder. (Refer to Code No. P0201: No.1 Injector (Refer to Code No. P0202: No.2 Injector (Refer to Code No. P0203: No.3 Injector (Refer to Code No. P0204: No.4 Injector STEP 9. Check timing marks of timing chain. Q: Is the check result normal? YES : Go to Step 10 . NO : Align timing marks. STEP 10. Visual check of ignition spark. • Remove the spark plug and install it to the ignition coil. • Connect the ignition coil connector. • Remove all injector connector. • At the engine start, check each spark plug pro- duces a spark. Q: Is the check result normal? YES : Go to Step 12 . NO : Go to Step 11 . STEP 11. Check spark plug. • Check spark plug (Refer to GROUP 16 − Ignition System − On-vehicle Service − Spark Plug Check and Cleaning Q: Is the check result normal? YES : Check ignition circuit system (Refer to Inspection Procedure 28 NO : Replace spark plug. STEP 12. Check spray condition of injector. • Check each injector for spray condition (Refer to ). Q: Is the check result normal? YES : Go to Step 13 . NO : Replace injector. STEP 13. Fuel pressure measurement. • Fuel pressure measurement (Refer to Fuel Pres- sure Test Q: Is the check result normal? YES : Go to Step 14 . NO : Repair. STEP 14. Check compression pressure. • Check compression pressure (Refer to GROUP 11A − On-vehicle Service − Compression Pres- Q: Is the check result normal? YES : Go to Step 15 <CVT> , go to Step 16 <M/T> NO : Repair. STEP 15. Check EGR valve (stepper motor) itself. • Check EGR valve (stepper motor) itself [Refer to GROUP 17 − Emission Control System − Exhaust Gas Recirculation (EGR) System − EGR Valve (stepper motor) Check ]. Q: Is the check result normal? YES : Go to Step 16 . NO : Replace EGR valve (stepper motor). STEP 16. Replace engine-ECU <M/T> or • After replacing the engine-ECU <M/T> or engine-CVT-ECU <CVT>, re-check the trouble Q: Does trouble symptom persist? YES : Check for foreign matters (water, kerosene, etc.) in fuel and replace if necessary. NO : Check end. Main Index Group TOC |