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Home >> Lexus >> 2010 >> IS 250 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0010-P015D) >> 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 (P0112 and P0113) OK
ECT sensor circuit (P0115, P0116 and P0117) OK
MAF sensor circuit (P0102 and P0103) OK
ECT before engine stop 70°C (158°F) or more
Accumulated MAF amount before engine stop Manual transmission models: 1951 g or more
Automatic transmission models: 2628 g or more
Key-off duration 30 minutes
AFTER COLD ENGINE START:

Key-off duration 5 hours or more
Time after engine start 10 seconds or more
IAT sensor circuit (P0112 and P0113) OK
ECT sensor circuit (P0115, P0116 and P0117) OK
MAF sensor circuit (P0102 and P0103) OK
ECT 70°C (158°F) or more
Accumulated MAF amount Manual transmission models: 1951 g or more
Automatic transmission models: 2628 g or more
One 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