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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 P0172 System Too Rich (Bank 1) >> Diagnostic Method >> Judgment Value
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Judgment Value

JUDGMENT VALUE

Malfunction Criteria Threshold Value
fsobd = (sglmd - tglmda) + faf + flaf
In this case: sglmd = measured lambda tglmda = target lambda
faf = main feedback compensation coefficient (every 64 milliseconds)
flaf = main feedback learning compensation coefficient
< Value of Map 2


JUDGMENT VALUE

Malfunction Criteria Threshold Value
fsobd = (sglmd - tglmda) + faf + flaf ≥ 0.85

Time Needed for Diagnosis:  10 s