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Diagnostic Method

G13866297Courtesy of SUBARU OF AMERICA, INC.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Rear oxygen sensor signal (B) Less than 0.375 V

Time needed for diagnosis:  1000 ms

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