| 摘要 |
The present invention provides an engine revolutions per minute (ERM) method, which is a priority storing method. According to the present invention, when an engine is monitored in a key-on state, an engine stall and a rapid increase in revolutions per minute (RPM) are determined through the RPM of the engine. A storage priority order of 1D_RPM data related to the engine stall and 2D_RPM data related to the rapid increase of the RPM is determined. The determined one with the storage priority order of the 1 D_RPM data and the 2D_RPM data is stored as new data into an ERM data memory (30), and at this time, existing storage data is removed, thereby remarkably increasing the availability of the ERM data memory (30). A reason why the engine stalls is accurately determined by using the 2 D_RPM Data (B1-B10) and the 1 D_RPM Data (A1-A10) detailed before/after the RPM rapidly increases and before/after the engine stalls, thereby overcoming the limitation of diagnostic trouble codes (DTC). |
