LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (STI) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> Enable Conditions >> Notes

Enable Conditions: Notes

ENABLE CONDITIONS

Secondary Parameters Enable Conditions
Pump supply pressure check   
Battery voltage ≥ 10.9 V
Atmospheric 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
Atmospheric 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
Atmospheric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature ≥ 4.4 °C
Secondary air pump Operating
Amount of intake air < 25 g/s (0.88 oz/s)
Elapsed time after fuel cut ≥ 1000 ms
Overflow diagnosis   
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Estimate ambient temperature ≥ 4.4 °C
Secondary air pump Operating
Amount of intake air < 25 g/s (0.88 oz/s)
Elapsed time after fuel cut ≥ 1000 ms