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CHECK AT THE POWERTRAIN CONTROL MODULE (PCM) TSB Revision MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS 13Ab-45 51 Ignition switch-ST Engine: cranking 8 V or more 57 MFI relay (power Ignition switch: "OFF" B+ Ignition switch: "ON" 1 V or less 58 Backup power Ignition switch: "OFF" B+ 63 Volume airflow Engine: idling 2.2 − 3.2 V Engine: 2,500 r/min 69 A/C switch Engine: idling Turn the A/C switch OFF 1 V or less Turn the A/C switch ON (A/C B+ 70 Crankshaft Engine: cranking 0.4 − 4.0 V Engine: idling 1.5 − 2.5 V 71 Camshaft position Engine: cranking 0.4 − 3.0 V Engine: idling 0.5 − 2.0 V 78 A/C switch 2 Engine: idling °C or more when A/C is MAX. COOL B+ when A/C is MAX. HOT 0 − 3 V 79 Vehicle speed • Ignition switch: "ON" • Move the vehicle slowly forward 0 ⇔ 8 -12 V (changes 81 Fuel tank Ignition switch: When fuel tank temperature °C (32°F) 2.7 − 3.1 V When fuel tank temperature °C (68°F) 2.1 − 2.5 V When fuel tank temperature °C (104°F) 1.6 − 2.0 V When fuel tank temperature °C (176°F) 0.8 − 1.2 V 82 Fuel tank Engine: idling 1.2 − 3.8 V 87 Tachometer signal Engine: 3,000 r/min 0.3 − 3.0 V 92 Power supply Ignition switch: ON 4.5 − 5.5 V 97 Sensor supplied Ignition switch: "ON" 4.5 − 5.5 V TERMINAL NO. INSPECTION ITEM INSPECTION CONDITION (ENGINE NORMAL |