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Home >> Subaru >> 2017 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.5L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0455 EVAP System (CPC) Leak Detected (Large Leak) >> Execution Condition
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Execution Condition

Secondary parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Engine coolant temperature ≥ 4.4 °C (39.9 °F)
and
< 45 °C (113 °F)
Accumulated purge amount during previous driving cycle ≥ Value of Map 1
MAP SPECIFICATION 1

Engine coolant temperature when ECM is activated after soak time °C (°F) 0 (32) 30 (86) 35 (95) 40 (104) 45 (113)
Accumulated purge amount during previous driving cycle g (oz) 128 (4.51) 128 (4.51) 384 (13.54) 640 (22.57) 896 (31.6)