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Home >> Toyota >> 2019 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 110 (SFI System (2GR-FXS) - Diagnostic Codes - (Hybrid) (4 Of 4)) >> SFI System >> DTC P0128: Thermostat [11/2016 - ] >> Monitor Strategy

Monitor Strategy

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Related DTCs P0128: Coolant thermostat
Required Sensors/Components (Main) Thermostat
Engine coolant temperature sensor
Required Sensors/Components (Related) Intake air temperature sensor
Frequency of Operation Once per driving cycle
Duration 570 seconds
MIL Operation 2 driving cycles
Sequence of Operation None