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Home >> Lexus >> 2011 >> IS 350 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostic Codes (P0010-P014F)) >> 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
IAT sensor circuit (P0112, P0113) OK
ECT sensor circuit (P0115, P0117, P0118) OK
MAF sensor circuit (P0102, P0103) OK
Accumulated mass air flow amount in previous driving cycle 3768 g or more
ECT when 30 minutes elapsed after engine stop -40°C (-40°F) or more
AFTER COLD ENGINE START

Key-off duration 5 hours or more
Time after engine start 10 seconds or more
IAT sensor circuit (P0112, P0113) OK
ECT sensor circuit (P0115, P0117, P0118) OK
MAF sensor circuit (P0102, P0103) OK
Accumulated MAF amount 3768 g or more
Either of the following conditions is met: Condition a or b
a. Duration while engine load is low 120 second or more
b. Duration while engine load is high 10 seconds or more