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Typical Malfunction Thresholds TYPICAL MALFUNCTION THRESHOLDS TYPICAL MALFUNCTION THRESHOLDS OBD II MONITOR SPECIFICATIONS 1. Purge Flow Monitor Monitor Strategy MONITOR STRATEGY Typical Enabling Conditions TYPICAL ENABLING CONDITIONS Typical Malfunction Thresholds Leak detection pump Not operated by scan tool Both of following conditions met before key off Conditions 1 and 2 1. Duration that vehicle driven 5 minutes or more 2. EVAP purge operation Performed ECT 4.4 to 35°C (40 to 95°F) IAT 4.4 to 35°C (40 to 95°F) Purge VSV stuck open: - EVAP pressure when vacuum introduction complete Reference pressure x 0.2 or higher Purge VSV stuck closed: - EVAP pressure change after purge VSV ON (open) Less than 0.3 kPa-g (2.25 mmHg-g) Required Sensors/Components Purge VSV and canister pump module Once per driving cycle Duration Within 10 minutes MIL Operation 2 driving cycles Sequence of Operation None Monitor runs whenever following DTCs not present P0452, P0453 (EVAP System) Running ECT 4.4°C (40T) or more IAT 4.4°C (40°F) or more Purge VSV Not operated by scan tool EVAP system check Not operated by scan tool Battery voltage 10 V or more Purge duty cycle 8% or more
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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