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Home >> Toyota >> 2013 >> Prius Two >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostic Codes (P00100 - P2402)) (Except Plug-In) >> 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 stored None
AFTER ENGINE STOP

All of the following conditions are met -
Time after engine start 10 seconds or more
Auxiliary battery voltage 10.5 V or more
Engine coolant temperature at ECM started by internal engine off timer -40°C (-40°F) 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 water pump circuit fail (P261B, P261C, P261D) Not detected
Soak timer circuit fail (P2610) Not detected
Engine coolant temperature before engine stop 70°C (158°F) or more
Accumulated mass air flow amount before engine stop 1900 g or more
Key-off duration 30 minutes
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
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 water pump circuit fail (P261B, P261C, P261D) Not detected
Soak timer circuit fail (P2610) Not detected
Engine coolant temperature 70°C (158°F) or more
Accumulated mass air flow amount 1900 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