LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> QX50 Autograph, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (11 Of 12) >> DTC/Circuit Diagnosis >> DTC P26A5: Multi-Way Control Valve Position Sensor >> DTC Description >> Fail-Safe
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Description: Fail-Safe

Engine operating condition in fail-safe mode

Fail safe mode

Vehicle behavior

Others

  • When detecting a malfunction with the valve closed, ECM fully opens the valve.
  • When detecting a malfunction with the valve opened, ECM maintains valve angle.
  • When detecting a malfunction in sensor, ECM fully opens the valve.
  • ECM limits the engine output depending on malfunctions.