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Home >> Toyota >> 2012 >> Matrix S, FWD, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2AZ-FE) (Diagnostic Codes (P0010 - P0456) >> 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 sensor circuit fail (P0115, P0117, P0118, P0125) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Soak time 0 seconds or more
Accumulated mass air flow 1671 g or more
Engine Running
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 (a) or (b) condition met -
(a) Engine coolant temperature 60°C (140°F) or more
(b) Accumulated mass air flow 2676 g or more