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Home >> Subaru >> 2022 >> WRX GT >> Repair and Diagnosis >> 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

EXECUTION CONDITION - IDLE SPEED DIAGNOSIS

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P050A
Barometric pressure 75.06 kPa (563.1 mmHg, 22.2 inHg) or more
Vehicle speed 1.9 km/h (1.2 MPH) or less
Throttle position Less than 0.21%
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
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 0.21%
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
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
MAP1 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
-40
(-40)
-30
(-22)
-20
(-4)
-10
(-14)
0
(32)
Integrated value of intake air amount
(g (oz))
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
MAP1 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
10
(50)
20
(68)
30
(86)
40
(104)
50
(122)
Integrated value of intake air amount
(g (oz))
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
MAP1 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
60
(140)
70
(158)
75
(167)
100
(212)
110
(230)
Integrated value of intake air amount
(g (oz))
843
(29.7)
500
(17.64)
250
(8.82)
0
(0)
0
(0)
MAP2 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
-40
(-40)
-30
(-22)
-20
(-4)
-10
(-14)
0
(32)
Integrated value of intake air amount
(g (oz))
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
MAP2 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
10
(50)
20
(68)
30
(86)
40
(104)
50
(122)
Integrated value of intake air amount
(g (oz))
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
843
(29.7)
MAP2 SPECIFICATION

Engine coolant temperature at first engine start
(°C (°F))
60
(140)
70
(158)
75
(167)
100
(212)
110
(230)
Integrated value of intake air amount
(g (oz))
843
(29.7)
500
(17.64)
250
(8.82)
0
(0)
0
(0)