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Home >> Lexus >> 2013 >> IS 250 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0171)) >> 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 at ECM started by internal engine off timer -40°C (-40°F) or more
ECT before engine stop 70°C (158°F) or more
Time that MAF is low before engine stop 2100 seconds or more
IAT sensor circuit fail (P0112 and P0113) Not detected
ECT sensor circuit fail (P0115, P0117 and P0118) Not detected
MAF meter circuit fail (P0102 and P0103) Not detected
Accumulated MAF amount in previous driving cycle 2628 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
IAT sensor circuit fail (P0112 and P0113) Not detected
ECT sensor circuit fail (P0115, P0117 and P0118) Not detected
MAF meter circuit fail (P0102 and P0103) Not detected
ECT 70°C (158°F) or more
Accumulated MAF amount 2628 g or more
Either 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