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Home >> Subaru >> 2021 >> Forester Touring >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P050A: Cold Start Idle Control System Performance >> General Description >> Execution Condition
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Execution Condition

SECONDARY PARAMETERS AND EXECUTION CONDITION - IDLE SPEED DIAGNOSIS

Secondary parameters Execution condition DTC
Battery voltage
Barometric pressure
Vehicle speed
Throttle position
Integrated value of intake air amount
Elapsed time after gear position change (P lt←→> D or N lt←→> D)
Elapsed time after starting the engine
10.9 V or more
75.1kPa (563mmHg, 22.2 inHg) or more
2km/h (1.2MPH) or less
Less than 0.25°
Less than value of Map1
2000ms or more
2000ms or more
P050A
SECONDARY PARAMETERS AND EXECUTION CONDITION - FINAL IGNITION TIMING DIAGNOSIS IDLE

Secondary parameters Execution condition DTC
Battery voltage
Barometric pressure
Throttle position
Integrated value of intake air amount
Elapsed time after gear position change (P lt←→> D or N lt←→> D)
Target retard amount (N range)
Target retard amount (D range)
10.9 V or more
75.1kPa (563mmHg, 22.2 inHg) or more
Less than 0.25°
Less than value of Map2
2000ms or more
Value of Map3 or less
Value of Map4 or less
P050B
MAP SPECIFICATION 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)
Integrated value of intake air amount (9 (oz)) 947 (33.41) 879 (31) 811 (28.59) 745 (26.27) 669 (23.61) 608 (21.44) 571 (20.12) 578 (20.4)
Engine coolant temperature at engine starting (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Integrated value of intake air amount (9 (oz)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)
MAP SPECIFICATION 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)
Integrated value of intake air amount (g (oz)) 947 (33.41) 879 (31) 811 (28.59) 745 (26.27) 669 (23.61) 608 (21.44) 571 (20.12) 578 (20.4)
Engine coolant temperature at engine starting (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Integrated value of intake air amount (g (oz)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)
MAP SPECIFICATION 3

Engine coolant temperature (°C (°F)) -40 (-40) -30 (-22) -20 (-4) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Target retard amount in CSERS (°CA) 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5
Engine coolant temperature (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Target retard amount in CSERS (°CA) 7.5 7.5 7.5 4.5 4.5 4.5 4.5 4.5
MAP SPECIFICATION 4

Engine coolant temperature (°C (°F)) -40 (-40) -30 (-22) -20 (-4) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Target retard amount in CSERS (°CA) -1.5 -1.5 -1.5 -1.5 -1.5 -1.5 -1.5 -1.5
Engine coolant temperature (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Target retard amount in CSERS (°CA) -1.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5 -2.5