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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (2 Of 5) >> DTC/Circuit Diagnosis >> DTC P0181: Fuel Temperature Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms DTC detecting condition
DTC
(Trouble diagnosis content)
Malfunction type
P0181 FUEL TEMPERATURE SENSOR A
(Fuel temperature sensor "A" circuit range/performance)
CIRC VOLT BELOW THRESHOLD The fuel temperature sensor has a malfunction. The limit value for electrical voltage has not been attained.
CIRC VOLT ABOVE THRESHOLD The fuel temperature sensor has a malfunction. The limit value for electrical voltage has been exceeded.
SG BS LVL O-OF RNG/ZR AJST ERR The fuel temperature sensor has a malfunction. The signal offset is outside the permissible range.
SIG BELOW ALLOWABLE RANGE The fuel temperature sensor has a malfunction. There is a signal below the permissible limit value.
SIG ABOVE ALLOWABLE RANGE The fuel temperature sensor has a malfunction. There is a signal above the permissible limit value.