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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (Engine Control System (Diagnostics) (HEV) (1 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P015A: A/F/O2 Sensor Delayed Response - Rich To Lean Bank 1 Sensor 1 >> Execution Condition

Execution Condition

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DIAGNOSTIC METHOD 1 - EXECUTION CONDITION

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P015A or P015B
Barometric pressure 75.1 kPa (563 mmHg, 22.2 inHg) or more  
Duration of main feedback 3000 ms or more  
Engine speed 1000 rpm or more  
Amount of intake air 15 g/s (0.53 oz/s) or more  
DIAGNOSTIC METHOD 2 - EXECUTION CONDITION

Secondary parameters Execution condition DTC
Battery voltage 10.9 V or more P015A and P015B
Barometric pressure 75.1 kPa (563 mmHg,  
Duration of main feedback 22.2 inHg) or more 3000 ms or more  
Engine speed 1000 rpm or more  
Amount of intake air 20 g/s (0.71 oz/s) or more