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FLA -494 FUEL SYSTEM DTC P0651 SENSOR REFERENCE VOLTAGE "B" CIRCUIT OPEN GENERAL DESCRIPTION E90B3CC0 The ECM provides a 5volt reference voltage to Throttle Position Sensor 2(TPS2). The ECM monitors reference voltage DTC DESCRIPTION E5E773D1 Checking the voltage from sensor power supply every 1.87 sec. under detecting condition, if the value within detecting DTC DETECTING CONDITION E2B19B8E Item Detecting Condition Possible Cause DTC Strategy • Sensor reference voltage check Enable Conditions • IG Key "ON" Threshold value • Sensor supply power 〈 4.5V or 〉 5.5V Diagnosis time • Continuous (More than 0.2 seconds failure for every MIL ON condition • 2 driving cycles • Short in sensor power supply line • Faulty PCM |