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Home >> Subaru >> 2015 >> Outback 2.5i Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P050A Cold Start Idle Air Control System Performance >> Diagnostic Method
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Diagnostic Method

Judge as NG when the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Actual engine speed - Target engine speed < Value of Map 4
ENGINE COOLANT TEMPERATURE REFERENCE

Engine coolant temperature -40 °C (-40 °F) -30 °C (-22 °F) -20 °C (-4 °F) -10 °C (14 °F) 0.00 °C (32 °F) 10.00 °C (50 °F) 20.00 °C (68 °F) 30.00 °C (86 °F) 40.00 °C (104 °F) 50.00 °C (122 °F) 60.00 °C (140 °F)
Threshold Value -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm
ENGINE COOLANT TEMPERATURE REFERENCE

Engine coolant temperature -40 °C (-40 °F) -30 °C (-22 °F) -20 °C (-4 °F) -10 °C (14 °F) 0.00 °C (32 °F) 10.00 °C (50 °F) 20.00 °C (68 °F) 30.00 °C (86 °F) 40.00 °C (104 °F) 50.00 °C (122 °F) 60.00 °C (140 °F)
Threshold Value -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm -300 rpm

Time Needed for Diagnosis:  7000 ms

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.

Judge as NG when the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Final CIT - CSERS CIT*
*:
  • CIT = Commanded Ignition Timing
  • CSERS = Cold Start Emission Reduction Strategy
> Value of Map 5
ENGINE COOLANT TEMPERATURE REFERENCE

Engine coolant temperature at engine starting -40 °C (-40 °F) -30 °C (-22 °F) -20 °C (-4 °F) -10 °C (14 °F) 0 °C (32 °F) 10 °C (50 °F) 20 °C (68 °F) 30 °C (86 °F) 40 °C (104 °F) 50 °C (122 °F) 60 °C (140 °F)
Threshold value (AT model) 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA 6.5 °CA
Threshold value (MT model) 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s 7 g/s

Time Needed for Diagnosis:  7000 ms

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.