LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2014 >> Outback 3.6R Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P015A O2 Sensor Delayed Response - Rich To Lean (Bank 1 Sensor 1) >> Diagnostic Method 2
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Method 2

Detect the malfunction by calculating the average amplitude of l.

Fig 1: Method For Calculating Average Amplitude
G08540817Courtesy of SUBARU OF AMERICA, INC.

Judge as NG when the following conditions are established.

JUDGMENT VALUE

Malfunction Criteria Threshold Value DTC
Average value for λ amplitude > 0.06 (Bin5 model)
> 0.07 (ULEV model)
P015A, P015B, P015C and P015D

Time Needed for Diagnosis:  11250 time(s) x 8 ms

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 DTC
Average value for λ amplitude ≤ 0.06 (Bin5 model)
≤ 0.07 (ULEV model)
P015A, P015B, P015C and P015D

Time Needed for Diagnosis:  11250 time(s) x 8 ms