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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (04 Of 14) >> SFI System >> DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [12/2017 - 09/2018] >> Monitor Strategy

Monitor Strategy

Related DTCs P0125: Insufficient engine coolant temperature for closed loop fuel control
Required Sensors/Components (Main) Engine coolant temperature sensor
Water control valve
Engine cooling system
Required Sensors/Components (Related) -
Frequency of Operation Once per driving cycle
Duration
  • 94.5 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 8.33°C [15°F]) or higher
  • 178 seconds: Engine coolant temperature at engine start is (closed-loop engine coolant temperature - 19.44°C [35°F]) or higher, and less than (closed-loop engine coolant temperature - 8.33°C [15°F])
  • 1144 seconds: Engine coolant temperature at engine start is less than (closed-loop engine coolant temperature - 19.44°C [35°F])
MIL Operation 2 driving cycles
Sequence of Operation None