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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P050A Cold Start Idle Control System Performance >> Execution Condition

Execution Condition

Secondary Parameters Execution condition
< Idle speed diagnosis >
Barometric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage ≥ 10.9 V
Vehicle speed ≤ 1.9 km/h (1.2 MPH)
Engine coolant temperature ≤ 75°C (167°F)
Intake air amount sum value < Value from Map
Elapsed time after gear position change (P ←→ D or N ←→ D) ≥ 3000 ms
Elapsed time after starting the engine ≥ 2000 ms
< Final ignition timing diagnosis >
Barometric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage ≥ 10.9 V
Vehicle speed ≤ 1.9 km/h (1.2 MPH)
Engine coolant temperature ≤ 75°C (167°F)
Intake air amount sum value < Value from Map
Elapsed time after gear position change (P ←→ D or N ←→ D) ≥ 3000 ms
Target retard amount ≥ 10°CA
TEMPERATURE SPECIFICATION - MAP

Engine coolant temperature at engine starting °C (°F) -40 (-40) -30 (-22) -20 (-4) -10 (-14) 0 (32) 10 (50) 20 (68) 30 (86) 40 (104) 50 (122) 60 (140) 70 (158) 75 (167)
Intake air amount sum value g (oz) 833 (25.5) 833 (25.5) 750 (21.27) 683 (24.09) 683 (25.04) 683 (24.23) 633 (20.1) 633 (21.41) 607 (21.41) 607 (21.41) 553 (19.5) 467 (16.47) 467 (16.47)