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Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P2419)) >> 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
Auxiliary battery voltage 10.5 V or more
Intake air temperature circuit fail (P0112, P0113) Not detected
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) Not detected
Mass air flow meter circuit fail (P0102, P0103) Not detected
Accumulated mass air flow amount before engine stop 2440 g or more
Key-off duration 30 minutes
Engine coolant temperature when 30 minutes elapsed after engine stop -40°C (-40°F) or more
AFTER COLD ENGINE START

Key-off duration 5 hours
Time after engine start 10 seconds or more
Intake air temperature circuit fail (P0112, P0113) Not detected
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) Not detected
Mass air flow meter circuit fail (P0102, P0103) Not detected
Engine coolant temperature 70°C (158°F) or more
Accumulated mass air flow amount 2440 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