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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0010-P0505)) >> 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 P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
AFTER ENGINE STOP:

Time after engine start 10 seconds or more
Battery voltage 10.5 V or more
ECT change since engine stop - ECM started by timer Less than 180°C (356°F)
ECT before engine stop -40°C (-40°F) or more
Time that MAF is low before engine stop 70 minutes
Accumulated MAF amount before engine stop 2567 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
ECT 70°C (158°F) or more
Accumulated MAF amount 2567 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