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Home >> Lexus >> 2012 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostic Codes (P0010-P014F)) >> SFI System >> DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

P0115

Engine coolant temperature sensor voltage [Engine coolant temperature] Less than 0.14 V, or more than 4.91 V [Higher than 135°C (275°F), or less than -60°C (-76°F)]
P0117

Engine coolant temperature sensor voltage [Engine coolant temperature] Less than 0.14 V [Higher than 135°C (275°F)]
P0118

Engine coolant temperature sensor voltage [Engine coolant temperature] More than 4.91 V [Less than -60°C (-76°F)]