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Home >> Toyota >> 2009 >> Matrix Base, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System (2AZ-FE)) >> SFI System >> DTC P0116 Engine Coolant Temperature Circuit Range / Performance Problem >> Typical Enabling Conditions
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Typical Enabling Conditions

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Engine Coolant Temperature Sensor Cold Start Monitor 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present P0102 to P0103: Mass air flow meter
P0110 to P0113: Intake air temperature sensor
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 OK
Soak time 0 or more
Accumulated mass air flow 490 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 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present P0102 to P0103: Mass air flow meter
Battery voltage 10.5 V or more
Engine Running
Soak time 5 hours or more
Either (a) or (b) condition met -
(a) Engine coolant temperature 60°C (140°F) or more
(b) Accumulated MAF 846 g or more