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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-355 STEP 10. Check for harness damage between injector a. Check the harness wire between injector connector B-01 terminal 2 and ECM connector C-49 terminal 1 <M/T> or b. Check the harness wire between injector connector B-02 terminal 2 and ECM connector C-49 terminal 14 <M/T> or c. Check the harness wire between injector connector B-05 terminal 2 and ECM connector C-49 terminal 2 <M/T> or d. Check the harness wire between injector connector B-06 terminal 2 and ECM connector C-49 terminal 15 <M/T> or Q: Is the harness wire in good condition? YES : Check the following items, and repair or replace the defective items. a. Check the ignition coil, spark plugs, spark plug cables. b. Check if the injectors are clogged. c. Check if fuel is contaminated. d. Check compression. Then confirm that the malfunction symptom is eliminated. NO : Repair it. Then confirm that the malfunction symptom is eliminated. INSPECTION PROCEDURE 6: Fires Up and Dies. COMMENT • In such cases as the above, the cause is usually TROUBLESHOOTING HINTS (The most likely • Malfunction of the ignition system. • Malfunction of the injector system. • Contaminated fuel. • Poor compression. • Malfunction of the ECM <M/T> or PCM <A/T>. DIAGNOSIS Required Special Tool: AK000273AB AK000273 CONNECTOR : B-01, B-02, B-05, B-06 B-01 B-02 B-05 B-06 AK000280 C-49,C-50 ECM<M/T> CONNECTORS:C-49<M/T>,C-50<A/T> BC |