LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2022 >> CX-5 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (On-Board Diagnostic - Engine Control System (VIN Y) (4 Of 7)) >> DTC P0454-00: Fuel Tank Pressure Sensor Intermittent Malfunction >> Notes

DTC P0454-00: Fuel Tank Pressure Sensor Intermittent Malfunction: Notes

WARNING: This page is about a different variant/trim than selected.
DTC P0454-00: (PCM, VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0454-00: Fuel tank pressure sensor intermittent malfunction
DETECTION CONDITION
  • Any one of the following conditions is met:
  • The difference between the currently detected fuel tank pressure sensor input voltage and the previously detected input voltage is large.
  • The input voltage of the fuel tank pressure sensor remains low or high.
Diagnostic support note
  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Not applicable
POSSIBLE CAUSE
  • Wiring harness malfunction between PCM and fuel tank pressure sensor
  • Fuel tank pressure sensor malfunction
    • Intermittent open or short circuit in the fuel tank pressure sensor or fuel tank pressure sensor signal
  • PCM malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable