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Home >> Lexus >> 2009 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010 - P0340)) >> SFI System >> DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control >> Typical Enabling Conditions

Typical Enabling Conditions

ALL - TYPICAL ENABLING CONDITIONS

Monitor will run whenever these DTCs are not present P0100, P0102, P0103 (Mass Air Flow Sensor)
P0110, P0112, P0113 (Intake Air Temperature Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0128 (Thermostat)
CASE 1 - TYPICAL ENABLING CONDITIONS

Engine coolant or intake air temperature at engine start 1.67°C (35°F) or more
CASE 2 - TYPICAL ENABLING CONDITIONS

Engine coolant or intake air temperature at engine start -9.44°C (15°F) or more and less than 1.67°C (35°F)
CASE 3 - TYPICAL ENABLING CONDITIONS

Engine coolant or intake air temperature at engine start Less than -9.44°C (15°F)