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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-971 98 Engine coolant Ignition switch: When engine coolant °C (-4°F) 3.9 − 4.5 V When engine coolant °C (32°F) 3.2 − 3.8 V When engine coolant °C (68°F) 2.3 − 2.9 V When engine coolant °C (104°F) 1.3 − 1.9 V When engine coolant °C (140°F) 0.7 − 1.3 V When engine coolant °C (176°F) 0.3 − 0.9 V 99 Intake air Ignition switch: When Intake air temperature °C (-4°F) 3.8 − 4.4 V When Intake air temperature °C (32°F) 3.2 − 3.8 V When Intake air temperature °C (68°F) 2.3 − 2.9 V When Intake air temperature °C (104°F) 1.5 − 2.1 V When Intake air temperature °C (140°F) 0.8 − 1.4 V When Intake air temperature °C (176°F) 0.4 − 1.0 V 100 Barometric Ignition switch: When altitude is 0 m (0 ft) 3.7 − 4.3 V When altitude is 600 m 3.4 − 4.0 V When altitude is 1,200 m 3.2 − 3.8 V When altitude is 1,800 m 2.9 − 3.5 V 101 Manifold absolute Engine: idling 0.8 − 2.4 V • Engine: idling • Revving (momentary wide open throttle) Rises from 0.8 − 2.4 V suddenly 106 Power supply Ignition switch: ON 4.5 − 5.5 V 107 Accelerator pedal Ignition switch: ON Release the accelerator pedal 0.905 − 1.165 V Depress the accelerator 4.035 V or more 108 Left bank heated Engine: warming up, 2,500 r/min (check using a 0 ⇔ 0.8 V (changes TERMINAL NO. INSPECTION ITEM INSPECTION CONDITION (ENGINE NORMAL |