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Home >> Toyota >> 2005 >> Highlander Limited, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (SFI) (3MZ-FE) - Diagnostics >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Monitor Strategy

Monitor Strategy

MONITOR STRATEGY

Related DTCs P0125: Insufficient ECT for Closed Loop
Required sensors/components (Main) Thermostat, Cooling system
Required sensors/components (Related) ECT sensor, MAF meter
Frequency of operation Continuous
Duration 2 minutes: Engine start ECT is -8.34°C (17°F) or more 5 minutes: Engine start ECT is -19.45 to -8.34°C (-3 to 17°F) 20 minutes: Engine start ECT is less than -19.45°C (-3°F)
MIL operation 2 driving cycles
Sequence operation None
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