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Home >> Subaru >> 2013 >> Tribeca >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code Detecting Criteria >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P2196 O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 1) >> Enable Conditions >> Enable Condition
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Enable Condition

ENABLE CONDITION

Secondary Parameters Enable Conditions
Time needed for all secondary parameters to be in enable conditions ≥ 4096 ms
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Rear oxygen sensor sub feedback Execution
Rear oxygen sensor output voltage - Feedback target voltage - 0.2 V - 0.1 V
or  
Rear oxygen sensor sub feedback compensation coefficient On Min.
or  
Rear oxygen sensor sub feedback compensation coefficient On Max.
Elapsed time after starting the engine ≥ 60000 ms
Engine coolant temperature ≥ 75 °C (167 °F)
Vehicle speed ≥ 20 km/h (12.4 MPH)
Amount of intake air ≥ 8 g/s (0.28 oz/s)
Load change at 120°CA < 0.02 g/rev (0 oz/rev)
Front oxygen (A/F) sensor impedance 0 Ω - 50 Ω
Learning value of evaporation gas density < 0.2
Total time of operating canister purge ≥ 19.9 s
Targeted lambda value load compensation coefficient -0.05 - 0.050