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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 P014C O2 Sensor Slow Response - Rich To Lean (Bank 1 Sensor 1) >> Diagnostic Method 1 >> Judgment Value
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Judgment Value

JUDGMENT VALUE

Malfunction Criteria Threshold Value DTC
(Cumulative value of time when λ changes from lean → rich) / (Time during which diagnosis is in progress) < 0.4 P014C
P014E
> 0.68 P014D
P014F

Time Needed for Diagnosis:  90 seconds

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

Judge as OK and clear the NG if the following conditions are established.



JUDGMENT VALUE

Malfunction Criteria Threshold Value DTC
(Cumulative value of time when λ changes from lean → rich) / (Time during which diagnosis is in progress) ≥ 0.4 P014C
P014E
≤ 0.68 P014D
P014F

Time Needed for Diagnosis:  90 seconds