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Home >> Infiniti >> 2009 >> EX35 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0453 >> DTC P0181: FTT Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0181 Fuel tank temperature sensor circuit range/performance Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signals from engine coolant temperature sensor and intake air temperature sensor.
  • Harness or connectors. (The sensor circuit is open or shorted)
  • Fuel tank temperature sensor
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