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Home >> Mazda >> 2019 >> 6 Signature >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostics (1 Of 3) [SKYACTIVE-G 2.5T] >> DTC P0181-00: Fuel Temperature Sensor Circuit Range/Performance Problem >> Notes

DTC P0181-00: Fuel Temperature Sensor Circuit Range/Performance Problem: Notes

DTC P0181-00 PCM (SKYACTIV-G 2.5T) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0181-00 FUEL TEMPERATURE SENSOR CIRCUIT RANGE/PERFORMANCE PROBLEM
DETECTION CONDITION
  • With the following conditions met, a condition has continued for 4 min in which the change in fuel temperature after engine start is less than 1 °C {2 °F}.
MONITORING CONDITIONS
  • Battery voltage: 8 V or more
  • Ignition switched ON (engine on)
  • Vehicle speed: 0 km/h {0 mph}
  • Change in engine coolant temperature amount after engine start: 40 °C {72 °F} or more
  • Elapsed time after engine start: 5 min
  • The following DTCs are not detected:
    • ECT sensor: P0117-00, P0118-00
    • Fuel temperature sensor: P0182-00, P0183-00
    • VSS: P0500-00
Diagnostic support note
  • This is a continuous monitor (CCM).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA is not available.
  • Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Not applicable
POSSIBLE CAUSE
  • Low fuel pressure sensor/fuel temperature sensor connector or terminals malfunction
  • Fuel temperature sensor malfunction
  • PCM connector or terminals malfunction
  • PCM malfunction
SYSTEM WIRING DIAGRAM
  • Not applicable