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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> 2AZ-FE Engine Control System >> SFI System >> DTC P0111 Intake Air Temperature Sensor Gradient Too High >> Typical Enabling Conditions
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Typical Enabling Conditions

All: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever the following DTCs are not present None

After engine stop: 

TYPICAL ENABLING CONDITIONS CHART

Time after engine start 10 seconds or more
Battery voltage 10.5 V or more
ECT sensor circuit OK
ECT change since engine start Less than 180°C (356°F)
ECT before engine stop 70°C (158°F) or more
Time that MAF is low before engine stop 70 minutes
Accumulated MAF amount before engine stop 3, 131 g or more
Key-off duration 30 minutes

After cold engine start: 

TYPICAL ENABLING CONDITIONS CHART

Key-off duration 5 hours
Time after engine start 10 seconds or more
ECT sensor circuit OK
ECT 70°C (158°F) or more
Accumulated MAF amount 3, 131 g or more
Either condition 1 or 2 is met. -
1 Duration while engine load is low 10 seconds or more
2 Duration while engine load is high 10 seconds or more