Home >> Lexus >> 2006 >> IS 350 >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (2GR-FSE) >> 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 Enabling Conditions