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Home >> Lexus >> 2011 >> RX 350 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System SFI System [2GR-FE] (Diagnostic Codes (P0010 - P0230)) >> 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
Soak time 0 second or more
Accumulated mass air flow 1328 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
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 2803 g or more