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Home >> Infiniti >> 2017 >> QX30 Luxury, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (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
(Trouble diagnosis content) Malfunction type
P0181 16 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.
17 CIRC VOLT ABOVE THRESHOLD The fuel temperature sensor has a malfunction. The limit value for electrical voltage has been exceeded.
28 SG BS LVL O-OF RNG/ZR AJST ERR The fuel temperature sensor has a malfunction. The signal offset is outside the permissible range.
2A SIGNAL STUCK IN RANGE The fuel temperature sensor has a malfunction. There is no signal change.
84 SIG BELOW ALLOWABLE RANGE The fuel temperature sensor has a malfunction. There is a signal below the permissible limit value.
85 SIG ABOVE ALLOWABLE RANGE The fuel temperature sensor has a malfunction. There is a signal above the permissible limit value.