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Home >> Subaru >> 2005 >> Outback XT Limited, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Diagnostic Method >> Judgment Value
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Judgment Value

JUDGMENT VALUE

Malfunction Criteria Threshold Value
parafca = td2faf/td2lmd
where,
td2faf (N) = td2faf (n-1) + |d2faf (n)|
td2lmd (N) = td2lmd (n-1) + |d2lmd (n)|
add up for a total of 210 seconds
d2faf (n) = (faf (n) - faf (n-1)) - (faf (n-1) - faf (n-2))
d2lmd (n) = (lmd (n) - lmd (n-1)) - (lmd (n-1)-lmd(n-2))
faf = main feedback compensation coefficient every 128 milliseconds
d = output lambda every 128 milliseconds		 >/= 0.417

Time Needed for Diagnosis:  210 seconds

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

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