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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Engine Control System (2GR-FKS) - Diagnostic Codes (2 Of 7)) >> SFI System >> DTC P0128-00: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) [10/2017 - 09/2020] >> 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 (for mass air flow meter sub-assembly)
Vehicle speed sensor
Frequency of Operation Once per driving cycle
Duration 920 seconds
MIL Operation 2 driving cycles
Sequence of Operation None
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