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Home >> Lexus >> 2006 >> RX 330 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (3MZ-FE) >> SFI System >> DTC P0446 Evaporative Emission Control System Vent Control Circuit >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

The monitor will run whenever these DTCs are not present P0011, P0012, P0021, P0022 (VVT system-Advance, Retard), P0100, P0101, P0102, P0103 (MAF sensor), P0110, P0112, P0113 (IAT sensor), P0115, P0116, P0117, P0118 (ECT sensor), P0120, P0122, P0123, P0220, P0222, P0223, P2135,(TP sensor), P0125 (Insufficient ECT for closed loop), P0171, P0172, P0174, P0175 (Fuel system), P0300, P0301, P0302, P0303, P0304, P0305, P0306 (Misfire), P0335 (CKP sensor), P0340, P0341 (CMP sensor), P0351, P0352, P0353, P0354, P0355, P0356, (Igniter), P0500 (VSS), P0510 (Idle switch)
Battery voltage 11 V or more
Altitude Less than 7,870 ft. (2,400 m)
EVAP pressure sensor malfunction Not detected
IAT at engine start - ECT at engine start -7 to 11.1°C (-12.6 to 20°F)
EVAP VSV and CCV Not operated by scan tool
EVAP purge duty cycle 6 % or more (vary with MAF)
Refuel No refuel during EVAP monitor
EVAP pressure -12.75 mmHg (-1.7 kPa) or more
ECT at engine start 4.4 to 35°C (39.9 to 95°F)
IAT at engine start 4.4 to 35°C (39.9 to 95°F)
IAT 4.4°C (39.9°F) or more
Vehicle speed change Steady speed
Time after engine start Within 50 minutes
EVAP pressure change Minimum change (driving on fairly smooth road)
Fuel level Less than 90 %