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 >> DTC P050A Cold Start Idle Air Control System Performance >> Enable Conditions

Enable Conditions

ENABLE CONDITIONS

Secondary Parameters Enable Conditions
<Idle speed diagnosis>
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Vehicle speed ≤ 2 km/h (1.2 MPH)
Engine coolant temperature ≤ 60 °C (140 °F)
Throttle opening angle < 0.37 °
Intake air amount sum value < Value of Map 1
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>
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Vehicle speed ≤ 2 km/h (1.2 MPH)
Engine coolant temperature ≤ 60 °C (140 °F)
Throttle opening angle < 0.37 °
Intake air amount sum value < Value of Map 2
Elapsed time after gear position change (P ←→ D or N ←→ D) ≥ 3000 ms
Target retard amount ≥ Value from Map 3

Map 1 

ENGINE COOLANT TEMPERATURE SPECIFICATION

Engine coolant temperature at engine starting
°C (°F)
-40 (-40) -30 (-22) -20 (-4) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Intake air amount sum value g (oz) 950 (33.51) 925 (32.62) 900 (31.74) 870 (30.68) 840 (29.63) 620 (21.87) 420 (14.81) 310 (10.93)
Engine coolant temperature at engine starting
°C (°F)
40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Intake air amount sum value g (oz) 260 (9.17) 210 (7.41) 170 (6) 170 (6) 170 (6) 170 (6) 170 (6) 170 (6)

Map 2 

TEMPERATURE RESISTANCE SPECIFICATION - MAP 2

Engine coolant temperature at engine starting
°C (°F)
-40 (-40) -30 (-22) -20 (-4) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Intake air amount sum value g (oz) 950 (33.51) 925 (32.62) 900 (31.74) 870 (30.68) 840 (29.63) 620 (21.87) 420 (14.81) 310 (10.93)
Engine coolant temperature at engine starting
°C (°F)
40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Intake air amount sum value g (oz) 260 (9.17) 210 (7.41) 170 (6) 170 (6) 170 (6) 170 (6) 170 (6) 170 (6)

Map 3 

TEMPERATURE RESISTANCE SPECIFICATION - MAP 3

Engine coolant temperature -40 °C (-40 °F) -30 °C (-22 °F) -20 °C (-4 °F) -10 °C (14 °F) 0 °C (32 °F) 10 °C (50 °F) 20 °C (68 °F) 30 °C (86 °F) 40 °C (104 °F) 50 °C (122 °F) 60 °C (140 °F)
Target retard amount 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA 6 °CA