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Home >> Subaru >> 2013 >> Tribeca >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Code Detecting Criteria >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P015A O2 Sensor Delayed Response - Rich To Lean (Bank 1 Sensor 1) >> Diagnostic Method 2 >> Notes
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Diagnostic Method 2: Notes

Detect the malfunction by calculating the average amplitude of λ.

Fig 1: Sensor Output Graph (Diagnostic Method 2)
G08540817Courtesy of SUBARU OF AMERICA, INC.

Judge as NG when the following conditions are established.