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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> 2AZ-FE Engine Control System >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range/Performance Problem >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

ECT Sensor cold start monitor: 

TYPICAL MALFUNCTION THRESHOLDS CHART

ECT sensor value change Less than 5°C (9°F)

ECT Sensor soak monitor: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Difference between current ECT sensor value and previous ECT sensor value when engine stopped Less than 5°C (9°F)