DTC Detection Logic

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P0190

Fuel rail pressure sensor circuit low input and high input

Signal voltage from the fuel rail pressure sensor remains at more than 4.84 V / less than 0.2 V for 5 seconds or more.

• Harness or connectors

  (Fuel rail pressure sensor circuit is open or shorted.)

• Fuel rail pressure sensor
• Sensor power supply 3

P0192

Fuel rail pressure sensor circuit low input

Signal voltage from the fuel rail pressure sensor remains at less than 0.37 V for 5 seconds or more.

P0193

Fuel rail pressure sensor circuit high input

Signal voltage from the fuel rail pressure sensor remains at more than 3.46 V for 5 seconds or more.