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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (Diagnostics) (HEV) (4 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2270: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 >> General Description >> Execution Condition

Execution Condition

WARNING: This page is about a different variant/trim than selected.
Secondary parameters Execution condition
Battery voltage
Sub feedback
Amount of intake air
Rear oxygen sensor element impedance
Enable conditions at interrupt control are as follows
Continuous time when rear oxygen sensor output voltage is less than 0.55V
Air fuel ratio reduced from target air fuel ratio
10.9 V or more
In operation 10 g/s (0.35 oz/s) or more
185Ω or less 4 s or more
Equal to Value of Map
MAP SPECIFICATION

Output voltage of rear oxygen sensor (V) 0 0.15 0.2 0.4 0.6
Air fuel ratio reduced from target air fuel ratio (%) 10 10 4 4 4