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Home >> Subaru >> 2021 >> Crosstrek Hybrid >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Control System (2.5L) (Diagnostics) (2 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P050A: Cold Start Idle Control System Performance >> General Description >> Execution Condition

Execution Condition

WARNING: This page is about a different variant/trim than selected.

<Idle speed diagnosis> 

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

<Final ignition timing diagnosis: Idle> 

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P050B
Barometric pressure 75.1 kPa (563 mmHg, 22.2 inHg) or more  
Throttle position Less than 0.25°  
Integrated value of intake air amount Less than value of Map2  
Elapsed time after gear position change (P ←→ D or N ←→ D) 2000 ms or more  
Target retard amount (N range) Value of Map3 or less  
Target retard amount (D range) Value of Map4 or less  
TEMPERATURE SPECIFICATIONS - MAP 1

Engine coolant temperature at first engine start (°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 first engine 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)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)
TEMPERATURE SPECIFICATIONS - MAP 2

Engine coolant temperature at first engine start (°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 first engine 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)) 708 (24.95) 800 (28.22) 865 (30.51) 936 (33.02) 0 (0) 0 (0) 0 (0) 0 (0)
TEMPERATURE SPECIFICATIONS - MAP 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
TEMPERATURE SPECIFICATIONS - MAP 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) 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5
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) 4.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5