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Home >> Lexus >> 2013 >> IS 350C Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P014F) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

ENGINE COOLANT TEMPERATURE SENSOR COLD START MONITOR

Monitor runs whenever following DTCs are not present None
Battery voltage 10.5 V or more
Time after engine start 1 second or more
Engine coolant temperature at engine start Less than 60°C (140°F)
Engine coolant temperature circuit fail (P0115, P0117, P0118, P0125) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Thermostat fail (P0128) Not detected
Soak time 0 seconds or more
Accumulated mass air flow 9380 g or more
Fuel cut Off
Difference between engine coolant temperature at engine start and intake air temperature Less than 40°C (72°F)
ENGINE COOLANT TEMPERATURE SENSOR SOAK MONITOR

Monitor runs whenever following DTCs are not present None
Battery voltage 10.5 V or more
Engine Running
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118, P0125) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Thermostat fail (P0128) Not detected
Soak timer fail (P2610) Not detected
Soak time 5 hours or more
Either of the following conditions is met: (a) or (b)
(a) Engine coolant temperature 60°C (140°F) or more
(b) Accumulated mass air flow 18760 g or more