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Home >> Toyota >> 2007 >> Highlander Base, 2.4 D, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Engine Control System) >> SFI System >> DTC P0446 Evaporative Emission Control System Vent Control Circuit >> Typical Enabling Conditions
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Typical Enabling Conditions

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

Monitor runs whenever following DTC not present P0441: Purge VSV
P1450 - P1453: FTP sensor
Altitude Less than 2,400 m (8,000 ft.)
Battery voltage 11 V or more
IAT at engine start - ECT at engine start -7 to 11°C (-12.6 to 20°F)
ECT at engine start 4.4 to 35°C (40 to 95°F)
IAT at engine start 4.4 to 35°C (40 to 95°F)
Vehicle speed Constant between 45 and 130 km/h (28 and 80 mph)
Time after engine start Less than 30 minutes
HVECU OK
Fail-safe via HV ECU Not executed
Purge flow volume 0.08 g/sec. or more