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Home >> Toyota >> 2007 >> Prius Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control >> Description
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DTC P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: Description

Refer to DTC P0115  .

DTC DETECTION CONDITION

DTC No. DTC Detection Condition Trouble Area
P0125 Engine coolant temperature hardly changes for 58 seconds after engine start (2 trip detection logic)
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat
P0125 Engine coolant temperature hardly changes for 109 seconds after engine start (2 trip detection logic)
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat
P0125 Engine coolant temperature hardly changes for 20 minutes after engine start (2 trip detection logic)
  • Cooling system
  • Engine coolant temperature sensor
  • Thermostat

HINT:

ECT represents engine coolant temperature, and IAT represents intake air temperature.