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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Engine Control System (Diagnostics) (HEV) (2 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P050A: Cold Start Idle Control System Performance >> General Description >> Execution Condition

Execution Condition

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Secondary parameters Execution condition
<Idle speed diagnosis>
Battery voltage
Barometric pressure
10.9 V or more 75.1 kPa (563 mmHg, 22.2 inHg) or more
Integrated value of intake air amount Less than value of Map1 x Map2
Elapsed time after starting the engine
Following condition A or B is met
3000 ms or more
A: Control request from HEV system to engine
B: Following conditions b1 and b2 are met
No
(b1) Control request from HEV system to engine Yes
(b2) Engine coolant temperature -10°C (14°F) or more
<Final ignition timing diagnosis>
Battery voltage
Barometric pressure
10.9 V or more 75.1 kPa (563 mmHg, 22.2 inHg) or more
Integrated value of intake air amount CSERS CIT Less than value of Map1 x Map2 Value of Map3 or less
MAP SPECIFICATION 1

Engine coolant temperature at start (°C (°F)) -40 (-40) -30 (-22) -10.10 00003 81469 7 (13.8) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Integrated value of intake air amount (g (oz)) 630 (22.22) 630 (22.22) 630 (22.22) 630 (22.22) 630 (22.22) 630 (22.22) 610 (21.51) 590 (20.81)
Engine coolant temperature at start (°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)) 450 (15.87) 400 (14.11) 360 (12.7) 320 (11.29) 240 (8.46) 220 (7.76) 200 (7.05) 180 (6.35)
MAP SPECIFICATION 2

  Engine coolant temperature at start (°C (°F))
-40 (-40) -30 (-22) -20 (-4) -10 (14) 0 (32) 10 (50) 20 (68) 30 (86)
Barometric pressure (kPa) 60 1 1 1 1 1.025 1.066 1.11 1.174
66.7 1 1 1 1 1.025 1.053 1.082 1.13
(°CA)
  Engine coolant temperature at start (°C (°F))
40 (104) 50 (122) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212) 110 (230)
Barometric pressure (kPa) 60 1.227 1.286 1.306 1.62 1.723 1.841 1.976 2.132
66.7 1.167 1.222 1.242 1.54 1.638 1.75 1.878 2.026
(°CA)
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) 11.5 11.5 11.5 11.5 11.5 11.5 11.5 11.5
Engine coolant temperature (°C (°F)) 40 (104) 50 (122) 59.9 (139.8) 60 (140) 70 (158) 80 (176) 90 (194) 100 (212)
Target retard amount in CSERS (°CA) 11.5 11.5 11.5 6.5 6.5 6.5 6.5 6.5