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Home >> Lexus >> 2009 >> IS 250 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS P0010 - P0368) >> SFI System >> DTC P0111: Intake Air Temperature Sensor Gradient Too High >> Typical Enabling Conditions
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Typical Enabling Conditions

ALL

Monitor runs whenever following DTCs are not present None
AFTER ENGINE STOP

Time after engine start 10 seconds or more
Battery voltage 10.5 V or more
ECT sensor circuit (P0115, P0116 and P0117) OK
ECT change since engine stopped Less than 180°C (324°F)
ECT before engine stop 70°C (158°F) or more
Time that MAF is low before engine stop Less than 70 minutes
Accumulated MAF amount before engine stop Manual transmission: 2261 g or more
Automatic transmission: 3039 g or more
Key-off duration 30 minutes
AFTER COLD ENGINE START

Key-off duration 5 hours or more
Time after engine start 10 seconds or more
ECT sensor circuit (P0115, P0116 and P0117) OK
ECT 70°C (158°F) or more
Accumulated MAF amount Manual transmission: 2261 g or more
Automatic transmission: 3039 g or more
One of the following conditions 1 or 2 is met: -
1. Duration while engine load is low 120 seconds or more
2. Duration while engine load is high 10 seconds or more