Enable Condition

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ENABLE CONDITION

Secondary Parameters	Enable Conditions
Pump supply pressure check
Estimate ambient temperature	≥ 4.4 °C
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine	In operation
Amount of intake air	≥ 2 g/s (0.07 oz/s)
Secondary air pump	Operating
Combination valve	Bank open (Except with both banks closed)
Combination valve one side closed pulse diagnosis
Estimate ambient temperature	≥ 4.4 °C
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine	In operation
Feasible area for diagnosis Value of Map 10	≥ 1
After fuel cut	≥ 0 ms
Combination valve both closed pulse diagnosis
Estimate ambient temperature	≥ 4.4 °C
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine	In operation
Engine load	≥ 0.2 g/rev (0.01 oz/rev)
After fuel cut	≥ 1000 ms
Combination valve changeover pressure diagnosis
Estimate ambient temperature	≥ 4.4 °C
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine	In operation
Amount of intake air	> 2 g/s (0.07 oz/s) and < 25 g/s (0.88 oz/s)
Engine speed	< 4000 rpm
After fuel cut	≥ 1000 ms
Overflow diagnosis
Estimate ambient temperature	≥ 4.4 °C
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75 kPa (563 mmHg, 22.2 inHg)
Engine	In operation