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Home >> Lexus >> 2007 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> SFI System >> DTC P0111 Intake Air Temperature Sensor Gradient Too High >> Typical Enabling Conditions
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Typical Enabling Conditions

All: 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present None

After engine stop: 

TYPICAL ENABLING CONDITIONS

Time after engine start 10 seconds or more
Battery voltage 10.5 V or more
ECT sensor circuit OK
ECT before engine stop 20°C (68°F) or more
ECT change since engine stop Less than 30°C (54°F)
Time that MAF is low before engine stop Less than 60 seconds
Accumulated MAF amount before engine stop 4,839 g (170.7 oz.) or more
Key-off duration 30 minutes

After cold engine start: 

TYPICAL ENABLING CONDITIONS

Key-off duration 5 hours
Time after engine start 10 seconds or more
ECT sensor circuit OK
ECT 70°C (158°F) or more
Accumulated MAF amount 4,839 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