LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2017 >> Crosstrek Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (H4DO) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P050A: Cold Start Idle Control System Performance >> Execution Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Execution Condition

Secondary parameters Execution condition
<Idle speed diagnosis>
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Vehicle speed ≤ 2 km/h (1.2 MPH)
Engine coolant temperature ≤ 70 °C (158 °F)
Throttle position < 0.37 °
Integrated value of intake air amount < 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
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Engine coolant temperature ≤ 70 °C (158 °F)
Throttle position < 0.37 °
Integrated value of intake air amount < Value of Map 2
Elapsed time after gear position change (P ←→ D or N ←→ D) ≥ 3000 ms
Target retard amount ≥ 5°CA
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 g (oz) 2391 (84.33) 1872 (66.01) 1419 (50.05) 1033 (36.45) 715 (25.21) 450 (15.87) 390 (13.76) 390 (13.76)
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) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76)
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) 2391 (84.33) 1872 (66.01) 1419 (50.05) 1033 (36.45) 715 (25.21) 450 (15.87) 390 (13.76) 390 (13.76)
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) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76) 390 (13.76)