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Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P219A Bank 1 Air-Fuel Ratio Imbalance >> Diagnostic Method >> Monitor B1

Monitor B1

Judge as NG when the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value
Diagnostic Value2 (DV2) > 45 time(s) (AT model except for PZEV)
> 30 time(s) (MT model except for PZEV)
> 17 time(s) (PZEV AT model)
> 17 time(s) (PZEV MT model)

Time Needed for Diagnosis:  1000 engine revs.

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
Diagnostic Value2 (DV2) ≤ 45 time(s) (AT model except for PZEV)
≤ 30 time(s) (MT model except for PZEV)
≤ 17 time(s) (PZEV AT model)
≤ 17 time(s) (PZEV MT model)

Time Needed for Diagnosis:  1000 engine revs.