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Home >> Subaru >> 2023 >> Ascent Base >> 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 PARAMETER AND EXECUTION CONDITION - IDLE SPEED DIAGNOSIS

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P050A
Vehicle speed 1.9 km/h (1.2 MPH) or less
Barometric pressure 75.06 kPa (563.1 mmHg, 22.2 inHg) or more
Throttle position Less than 0.312 %
Integrated value of intake air amount Less than value of Map1
Time when the parking/neutral position switch does not change 3000 ms or more
Elapsed time after starting the engine 2000 ms or more
SECONDARY PARAMETER AND EXECUTION CONDITION - FINAL IGNITION TIMING DIAGNOSIS (IDLE)

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P050B
Barometric pressure 75.06 kPa (563.1 mmHg, 22.2 inHg) or more
Throttle position Less than 0.312 %
Integrated value of intake air amount Less than value of Map1
Time when the parking/neutral position switch does not change 3000 ms or more
Target retard amount (N range) 8.5°CA or more
Target retard amount (D range) 8.5°CA or more
SECONDARY PARAMETER AND EXECUTION CONDITION - FINAL IGNITION TIMING DIAGNOSIS (NON-IDLE)

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P050B
Barometric pressure 75.06 kPa (563.1 mmHg, 22.2 inHg) or more
Integrated value of intake air amount Less than value of Map2
Target retard amount 8.5°CA or more
TEMPERATURE SPECIFICATION - 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)) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54)
Engine coolant temperature at first engine start (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 75 (167) 100 (212) 110 (230)
Integrated value of intake air amount (g (oz)) 1433 (50.54) 1367 (48.21) 1267 (44.69) 1000 (35.27) 250 (8.82) 0 (0) 0 (0)
TEMPERATURE SPECIFICATION - 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)) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54) 1433 (50.54)
Engine coolant temperature at first engine start (°C (°F)) 40 (104) 50 (122) 60 (140) 70 (158) 75 (167) 100 (212) 110 (230)
Integrated value of intake air amount (g (oz)) 1433 (50.54) 1367 (48.21) 1267 (44.69) 1000 (35.27) 250 (8.82) 0 (0) 0 (0)