System and method for controlling engine clutch of hybrid vehicle

The present invention relates to a process engine clutch control of the hybrid vehicle, and more particularly, the engine clutch when the release inner Shah prevent the heterogeneity due to the change notice the driver engine clutch release one to maintain a constant vehicle acceleration before and after the hybrid It relates to an engine clutch control apparatus and method for a vehicle. That is, the present invention before and after the time the engine clutch release, by controlling gradually the motor torque for the same time decreasing control the motor torque to the driver's required torque at the time of EV mode, the engine clutch release for switching from HEV mode to the EV mode, It intended to provide an inner Sha one due to the acceleration change of the engine clutch rear part due to the fluctuation in order to prevent the driver to feel the heterogeneity hybrid vehicle engine clutch control apparatus and method by making it possible to maintain a constant vehicle acceleration.