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Home >> Lexus >> 2010 >> SC 430 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P0340) >> 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
Battery voltage 10.5 V or more
IAT sensor circuit fail (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
MAF sensor circuit fail (P0102, P0103) Not detected
ECT before engine stop 70°C (158°F) or more
Time that MAF is low before engine stop 2100 seconds
Accumulated MAF amount before engine stop 2581 g or more
Key-off duration 30 minutes
AFTER COLD ENGINE START:

Key-off duration 5 hours
Time after engine start 10 seconds or more
IAT sensor circuit fail (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
MAF sensor circuit fail (P0102, P0103) Not detected
ECT 70°C (158°F) or more
Time that MAF is low before engine stop 2100 seconds
Accumulated MAF amount 2581 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