METHOD FOR DIAGNOSING AN EXHAUST GAS POST-TREATMENT
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United States of America Patent
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Issued Date -
Jul 19, 2012
app pub date -
Jan 13, 2012
filing date -
Jan 14, 2011
priority date (Note) -
Abandoned
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Abstract
Method for the on-board diagnosis of an exhaust gas post-treatment device for a combustion engine, wherein the exhaust gas post-treatment device has means for converting an exhaust gas component and wherein sensor means are provided downstream of the exhaust gas post-treatment device, wherein the exhaust gas component is acquired by the sensor means and that by means of the quantity of the acquired exhaust gas component the quality of the means for converting the exhaust gas component is derived, wherein a signal of the sensor means is transmitted to a system for the on-board diagnosis.
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