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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P014C O2 Sensor Slow Response - Rich To Lean (Bank 1 Sensor 1) >> Diagnostic Method 2 >> Abnormality Judgment

Abnormality Judgment

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Judge as NG when the following conditions are established.

Judgment Value 

Malfunction Criteria Threshold Value DTC
Cumulative value obtained from the amount of variation in λ change Σ |(lambda(n) - lambda(n-1)) - (lambda(n-1) - lambda(n-2))| < Value from Map P014C and P014D

Map 

Cumulative value obtained from the amount of variation in λ Σ |lambda(n) - lambda(n-1)| 0.00 4.50
Cumulative value obtained from the amount of variation in λ change 0.50 2.00

Time Needed for Diagnosis:  90 seconds

Malfunction Indicator Light Illumination:  Illuminates when malfunction occurs in 2 continuous driving cycles.