DTC Detection Logic

2013 Infiniti M56 SportSECTION 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.)

    (Power steering pressure sensor circuit is open or shorted.)

    (Low fuel pressure sensor circuit is open or shorted.)

    (Engine oil pressure sensor circuit is open or shorted.)

  • Fuel rail pressure sensor
  • Power steering pressure sensor
  • Low fuel pressure sensor
  • Engine oil pressure sensor
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 3.73 V for 5 seconds or more.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.