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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Engine Control System (2UZ-FE)) >> SFI System >> DTC P0111 Intake Air Temperature Sensor Gradient Too High >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

All: 

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs are not present None

After engine stop: 

TYPICAL ENABLING CONDITIONS CHART

Time after engine start 10 seconds or more
Battery voltage 10.5 V or more
ECT sensor circuit OK
ECT change since engine 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 2,477 g or more
Key-off duration 30 minutes

After cold engine start: 

TYPICAL ENABLING CONDITIONS CHART

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 2,477 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