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Home >> Subaru >> 2006 >> Outback i, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) >> Diagnostic Method
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Diagnostic Method

Abnormality Judgment 

When one of the following conditions is established, judged as NG.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Maximum output voltage low side diagnosis < 0.55 V
Minimum output voltage high side diagnosis > 0.25 V

Time Needed for Diagnosis:  200 seconds

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

Normality Judgment 

When the following conditions are established, judged as OK.

Judgment Value 

JUDGMENT VALUE CHART

Malfunction Criteria Threshold Value
Maximum output voltage low side diagnosis ≥ 0.55 V
Minimum output voltage high side diagnosis ≤ 0.25 V