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Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3UZ-FE) >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

ECT sensor stuck (low ECT): 

ECT SENSOR RESISTANCE CHART

ECT change Less than 3°C (5.4°F)

ECT sensor stuck (high ECT): 

ECT SENSOR RESISTANCE CHART

ECT change 1°C (1.8°F) or less