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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-407 CIRCUIT OPERATION • The ECM <M/T> or PCM <A/T> sends a duty TROUBLESHOOTING HINTS (The most likely • Malfunction of the fan motor relay. • Malfunction of the fan motor. • Malfunction of the fan controller • Improper connector contact, open or short- • ECM <M/T> or PCM <A/T> failed. DIAGNOSIS STEP 1. Check connector C-49 at ECM <M/T> or connector YES : Go to Step 2. Connector Inspection ( ). Then confirm that the malfunction symptom is eliminated. ACX02501 AE CONNECTOR : A-30 FAN AK000280 C-49,C-50 ECM<M/T> CONNECTORS:C-49<M/T>,C-50<A/T> BC |