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Home >> Mazda >> 2007 >> RX-8 Touring, 1.3 3 >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic (Engine Control System) 13BMSP >> DTC P0116 >> Notes
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DTC P0116: Notes

DTC P0116 DETECTION & CONDITION POSSIBLE CAUSES

DTC P0116 Engine coolant temperature circuit range/performance
DETECTION CONDITION 
  • The PCM monitors the maximum value and minimum value of engine coolant temperature when the engine is started and 5 min  have been passed after leaving the vehicle 6 h or more  . If difference between maximum and minimum values of engine coolant temperature is below 5.6 °C {42.1 °F}  the PCM determines that there is an ECT circuit range/performance problem.

Diagnostic support note 
  • This is a continuous monitor. (Engine cooling system)
  • The MIL illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
  • PENDING CODE is available if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA is available.
  • DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • ECT sensor malfunction
  • Connector or terminal malfunction
  • PCM malfunction