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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Control System (1AR-FE) - DTC P0705 - P2A00, DTC U0101) >> DTC P2420 Evaporative Emission System Switching Valve Control Circuit High >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not stored None
EVAP key-off monitor runs when all of following conditions met -
Atmospheric pressure 70 to 110 kPa-a (525 to 825 mmHg-a)
Battery voltage 10.5 V or higher
Vehicle speed Less than 2.5 mph (4 km/h)
Ignition switch off
Time after key-off 5, 7 or 9.5 hours
Canister pressure sensor malfunction (P0452, P0453) Not detection
Purge VSV Not operated by scan tool
Vent valve Not operated by scan tool
Leak detection pump Not operated by scan tool
Both of following conditions met before key-off Conditions 1 and 2
1. Duration that vehicle is driven 5 minutes or more
2. EVAP purge operation Performed
Engine coolant temperature 4.4 to 35°C (40 to 95°F)
Intake air temperature 4.4 to 35°C (40 to 95°F)