Diagnostic Method 2: Notes

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

Fig 1: Front Oxygen (A/F) Sensor Output Diagram

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Judge as NG when the following conditions are established.

MALFUNCTION CRITERIA

Malfunction Criteria	Threshold Value	DTC
Cumulative value obtained from the amount of variation in λ change	< Value from Map	P014C and P014D

MALFUNCTION CRITERIA

Cumulative value obtained from the amount of variation in λ	0.00	3.50
Cumulative value obtained from the amount of variation in λ change	0.00	3.50

MALFUNCTION CRITERIA

Cumulative value obtained from the amount of variation in λ	0.00	3.50
Cumulative value obtained from the amount of variation in λ change	0.00	3.50