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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-909 9 − 12 34 − 41 Evaporative emission purge solenoid 30 − 34 ohms [at 20°C (68°F)] 13 − Body ground 42 − Body ground ECM or PCM ground Continuity (approximately 0 ohm) 26 − Body ground 48 − Body ground ECM or PCM ground 54 − 12 26 − 41 Heated oxygen sensor heater (rear) 11 − 18 ohms [at 20°C (68°F)] 55 − 12 35 − 41 Evaporative emission ventilation 17 − 21 ohms [at 20°C (68°F)] 60 − 12 3 − 41 Heated oxygen sensor heater (front) 4.5 − 8.0 ohms [at 20°C (68°F)] 72 − 92 57 − 64 Intake air temperature sensor 13 − 17 kΩ [when intake air temperature is −20°C (−4°F)] 5.3 − 6.7 kΩ [when intake air temperature is 0 °C (32°F)] 2.3 − 3.0 kΩ [when intake air temperature is 20 °C (68°F)] 1.0 − 1.5 kΩ [when intake air temperature is 40 °C (104°F)] 0.56 − 0.76 kΩ [when intake air temperature is 60 °C (140°F)] 0.30 − 0.42 kΩ [when intake air temperature is 80 °C (176°F)] 83 − 92 44 − 57 Engine coolant temperature sensor 14 − 17 kΩ [when engine coolant temperature is −20°C (−4°F)] 5.1 − 6.5 kΩ [when engine coolant temperature is 0 °C (32°F)] 2.1 − 2.7 kΩ [when engine coolant temperature is 20 °C (68°F)] 0.9 − 1.3 kΩ [when engine coolant temperature is 40 °C (104°F)] 0.48 − 0.68 kΩ [when engine coolant temperature is 60 °C (140°F)] 0.26 − 0.36 kΩ [when engine coolant temperature is 80 °C (176°F)] TERMINAL TERMINAL INSPECTION ITEM NORMAL CONDITION (INSPECTION |