LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2005 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Control System (SFI) (1ZZ-FE(4WD)) - Diagnostics) >> SFI System (1ZZ-FE (4WD)) >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Monitor Strategy
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
MONITOR STRATEGY CHART

Related DTCs P0125: Insufficient engine coolant temperature for closed-loop fuel control
Required Sensors/Components (Main) Thermostat, cooling system
Required Sensors/Components (Related) Engine coolant temperature sensor and mass air flow meter
Frequency of Operation Continuous
Duration 2 minutes: Engine coolant temperature at engine start 1.7°C (35°F) or more
5 minutes: Engine coolant temperature at engine start -9.4° to 1.7°C (15° to 35°F)
20 minutes: Engine coolant temperature at engine start less than -9.4°C (15°F)
MIL Operation 2 driving cycles
Sequence of Operation None