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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P050A Cold Start Idle Air Control System Performance >> Enable Conditions

Enable Conditions

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ENABLE CONDITION

Secondary Parameters Enable Conditions
< Exhaust gas temperature diagnosis >
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage > 10.9 V
Engine condition In operation
Vehicle speed ≤ 2 km/h (1.2 MPH)
Elapsed time after gear position change ≥ 3000 ms
(P ↔ D or N ↔ D)  
ISC feedback In operation
Throttle opening angle < 0.37 °
Fuel property Not extremely low volatility
Target retard amount ≥ 5 °CA
< Idle speed diagnosis >
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage > 10.9 V
Engine condition In operation
Vehicle speed ≤ 2 km/h (1.2 MPH)
Engine coolant temperature ≤ 60 °C (140 °F)
Intake air amount sum value ≤ Value of Map 1
Elapsed time after gear position change ≥ 3000 ms
(P ↔ D or N ↔ D)  
Throttle opening angle < 0.37 °
Fuel property Not extremely low volatility
Elapsed time after starting the engine ≥ 2000 ms
< Final ignition timing diagnosis >
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Battery voltage > 10.9 V
Engine condition In operation
Vehicle speed ≤ 2 km/h (1.2 MPH)
Engine coolant temperature ≤ 60 °C (140 °F)
Intake air amount sum value ≤ Value of Map 2
Elapsed time after gear position change ≥ 3000 ms
(P ↔ D or N ↔ D)  
Throttle opening angle < 0.37 °
Fuel property Not extremely low volatility
Target retard amount ≥ Value from Map 3
MAP 1

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)
1300 (45.85) 1225 (43.21) 1150 (40.56) 810 (28.57) 560 (19.75) 400 (14.11) 310 (10.93) 260 (9.17)
ENABLE CONDITION

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)
240 (8.46) 230 (8.11) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76)
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)
1300 (45.85) 1225 (43.21) 1150 (40.56) 810 (28.57) 560 (19.75) 400 (14.11) 310 (10.93) 260 (9.17)
ENABLE CONDITION

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)
240 (8.46) 230 (8.11) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76) 220 (7.76)
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