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Home >> Lexus >> 2009 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0010-P0201)) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS - ENGINE COOLANT TEMPERATURE SENSOR COLD START MONITOR

Monitor runs whenever following DTCs 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)
Intake air temperature sensor circuit (P0112, P0113) OK
Soak time 0 second or more
Accumulated mass air flow 2080 g or more
Fuel cut OFF
Difference between engine coolant temperature at engine start and intake air temperature Less than 40°C (104°F)
TYPICAL ENABLING CONDITIONS - ENGINE COOLANT TEMPERATURE SENSOR SOAK MONITOR

Monitor runs whenever following DTCs not present P0101, P0102, P0103: Mass air flow meter
Battery voltage 10.5 V or more
Engine Running
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 4009 g or more