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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (1 Of 4) >> DTC P0181-00: Fuel Temperature Sensor Circuit Range/Performance Problem >> Notes
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DTC P0181-00: Fuel Temperature Sensor Circuit Range/Performance Problem: Notes

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 No. 1: 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