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Home >> Toyota >> 2006 >> Yaris CE, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range/Performance Problem >> Typical Enabling Conditions ECT
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Typical Enabling Conditions ECT

Sensor cold start monitor: 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0100 to P0103: Mass Air Flow (MAF) meter
P0110 to P0113: Intake Air Temperature (IAT) sensor
Battery voltage 10.5 V or more
Time after engine start 1 second or more
ECT at engine start Less than 60°C (140°F)
IAT sensor circuit OK
Soak time 5 hours or more
Accumulated MAF 498.77 g or more
Engine Running
Fuel cut OFF
Difference between ECT at engine start and IAT Less than 40°C (72°F)

ECT Sensor soak monitor: 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0100 to P0103: MAF meter
P0110 to P0113: IAT sensor
Battery voltage 10.5 V or more
Engine Running
Soak time 5 hours or more
Either (a) or (b) condition met -
(a) ECT 60°C (140°F) or more
(b) Accumulated MAF 862.59 g or more