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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-1049 TROUBLESHOOTING HINTS (The most likely • Malfunction of the ignition switch. • Malfunction of the transmission range switch. • Improper connector contact, open circuit or short-circuit in the harness wire. • Malfunction of the PCM. DIAGNOSIS STEP 1. Check connector B-110 at transmission range YES : Go to Step 2. Connector Inspection . Then confirm that the malfunction symptom is eliminated. STEP 2. Check the transmission range switch. − Essential Service − Transmission Range Switch Continuity Check . Q: Are there any abnormalities? YES : Repair or replace it. Then confirm that the malfunction symptom is eliminated. NO : Go to Step 3. AK303935 8 9 3 4 5 1 2 6 7 10 AB CONNECTOR: B-110 B-110 (B) HARNESS |