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Home >> Subaru >> 2022 >> Outback Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (1 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P014C: A/F/O2 Sensor Slow Response - Rich To Lean Bank 1 Sensor 1 >> General Description >> Diagnostic Method 2
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Diagnostic Method 2

Detect the malfunction by the cumulative value obtained from the amount of variation in A change.

G08317431Courtesy of SUBARU OF AMERICA, INC.

Judge as NG when the following conditions are established.

JUDGMENT VALUE SPECIFICATION SPECIFICATION

Malfunction Criteria Threshold Value
Cumulative value obtained from the amount of variation in A change Less than value of Map
CUMULATIVE VALUE SPECIFICATION - MAP

Cumulative value obtained from the amount of variation in λ 0.00 4.00
Cumulative value obtained from the amount of variation in λ change 0.00 3.00

Time needed for diagnosis:  90 s

Malfunction indicator light illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.