Execution Condition

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Secondary Parameters	Execution condition
Pump supply pressure check
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature	≥ 4.4 °C
Secondary air pump	Operating
Combination valve both closed pulse diagnosis
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature	≥ 4.4 °C
Secondary air pump	Operating
Engine load	≥ 0.2 g/rev (0.01 oz/rev)
Elapsed time after fuel cut	≥1000 ms
Combination valve changeover pressure diagnosis
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature	≥ 4.4 °C
Secondary air pump	Operating
Intake air amount	< 25 g/s (0.88 oz/s)
Elapsed time after fuel cut	≥ 1000 ms
Overflow diagnosis
Battery voltage	≥ 10.9 V
Barometric pressure	≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature	≥ 4.4 °C
Secondary air pump	Operating
Intake air amount	< 25 g/s (0.88 oz/s)
Elapsed time after fuel cut	≥ 1000 ms