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Home >> Scion >> 2012 >> iQ >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0354)) >> SFI System >> DTC P0116: Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions

Typical Enabling Conditions

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Monitor runs whenever following DTCs not stored None
ENGINE COOLANT TEMPERATURE SENSOR COLD START MONITOR

Battery voltage 10.5 V or higher
Time after engine start 1 second or more
Engine coolant temperature at engine start Below 60°C (140°F)
Soak time 0 seconds or more
Accumulated mass air flow 1928 g or more
Fuel cut OFF
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Engine coolant temperature circuit fail (P0115, P0117, P0118, P0125) Not detected
Thermostat fail (P0128) Not detected
Difference between engine coolant temperature at engine start and intake air temperature Below 40°C (72°F)
ENGINE COOLANT TEMPERATURE SENSOR SOAK MONITOR

Battery voltage 10.5 V or higher
Engine Running
Soak time 5 hours or more
Either condition (a) or (b) met -
(a) Engine coolant temperature 60°C (140°F) or higher
(b) Accumulated mass air flow 2924 g or more
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Engine coolant temperature circuit fail (P0115, P0117, P0118, P0125) Not detected
Thermostat fail (P0128) Not detected
Soak timer circuit fail (P2610) Not detected