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Home >> Toyota >> 2014 >> Prius Plug-in >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Code (P0010 - P0300)) - PRIUS (Plug-In) >> SFI System >> DTC P0111: Intake Air Temperature Sensor Gradient Too High [10/2013 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

ALL

Monitor runs whenever the following DTCs are not stored None
AFTER ENGINE STOP

All of the following conditions are met -
Time after hybrid system ready to drive 10 seconds or more
Auxiliary battery voltage 10.5 V or higher
Engine coolant temperature at ECM started by internal engine off timer -40°C (-40°F) or higher
Engine coolant temperature before hybrid system stop 70°C (158°F) or higher
Accumulated mass air flow amount before engine stop 2578 g or more
Key-off duration 30 minutes
Mass air flow meter circuit fail (P0102, P0103) Not detected
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Engine water pump circuit fail (P261B, P261C, P261D) Not detected
Soak timer fail (P2610) Not detected
AFTER COLD ENGINE START

All of the following conditions are met -
Key-off duration 5 hours or more
Time after engine start 10 seconds or more
Engine coolant temperature 70°C (158°F) or higher
Accumulated mass air flow amount 2578 g or more
Either of the following conditions is met 1 or 2
1. Duration while engine load is low 120 seconds or more
2. Duration while engine load is high 10 seconds or more
Mass air flow meter circuit fail (P0102, P0103) Not detected
Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) Not detected
Intake air temperature sensor circuit fail (P0112, P0113) Not detected
Engine water pump circuit fail (P261B, P261C, P261D) Not detected
Soak timer fail (P2610) Not detected