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Home >> Lexus >> 2008 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - SFI System Diagnostics (1 Of 4) >> DTC P0111 Intake Air Temperature Sensor 1 Circuit Range / Performance >> Typical Enabling Conditions
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Typical Enabling Conditions

All 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs are not present None
Battery voltage 10 5 V or more

After Engine Stop 

TYPICAL ENABLING CONDITIONS CHART

Time after engine start 10 seconds or more
Engine coolant temperature sensor circuit OK
Engine coolant temperature in previous driving cycle 70°C (158°F) or more
Mass air flow sensor circuit OK
Accumulated mass air flow amount in previous driving cycle 2682 g or more
Engine coolant temperature when 30 minutes elapsed after engine stop -40°C (68°F) or more

After Cold Engine Start 

TYPICAL ENABLING CONDITIONS CHART

Key-off duration 5 hours
Time after engine start 10 seconds or more
Engine coolant temperature sensor circuit OK
Engine coolant temperature 70°C (158°F) or more
Mass air flow sensor circuit OK
Accumulated mass air flow amount 2682 g or more
Both of the following conditions 1 and 2 are met -
1 Duration while engine load is low 120 seconds or more
2 Duration while engine load is high 10 seconds or more