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Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0190,: P0192, P0193 FRP Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0190 FUEL PRES SEN/CIRC
(Fuel rail pressure sensor "A" circuit)
Diagnosis condition Engine running at idle
Signal (terminal) Fuel rail pressure sensor signal
Threshold Signal voltage from the fuel rail pressure sensor remains at more than 4.84 V / less than 0.2 V
Diagnosis delay time 5 seconds or more
P0192 FRP SEN/CIRC
(Fuel rail pressure sensor "A" circuit low)
Diagnosis condition Engine running at idle
Signal (terminal) Fuel rail pressure sensor signal
Threshold Signal voltage from the fuel rail pressure sensor remains at less than 0.37 V
Diagnosis delay time 5 seconds or more
P0193 FRP SEN/CIRC
(Fuel rail pressure sensor "A" circuit high)
Diagnosis condition Engine running at idle
Signal (terminal) Fuel rail pressure sensor signal
Threshold Signal voltage from the fuel rail pressure sensor remains at more than 3.7 V
Diagnosis delay time 5 seconds or more