Shift control device

A shift control device comprising:

• a selector configured to receive an operation of selecting a shift range of an automatic transmission and output selection information corresponding to the operation, the automatic transmission being configured to convert and output a driving force of an engine input via a torque converter;
• a range switch controller configured to switch the shift range of the automatic transmission in accordance with the selection information output by the selector;
• a parking mechanism that comprises a parking gear and a parking pawl, and that is configured to bring the automatic transmission into a parking state by locking rotation of the automatic transmission through engagement of the parking pawl with the parking gear;
• a clutch disposed between the torque converter and the parking mechanism and configured to turn on/off transmission of the driving force;
• a clutch controller configured to control operation of the clutch in accordance with the selection information output by the selector;
• and
• a delay setter configured to set a delay time until driving of the parking pawl starts, wherein the delay time is set on the basis of a rotation speed difference between a rotation speed of the engine and a rotation speed of a turbine of the torque converter, and an oil temperature of the automatic transmission when the selection information indicating that a parking range is selected is output,
• wherein the clutch controller disengages the clutch when the selection information indicating that the parking range is selected is output, and
• wherein, when the selection information indicating that the parking range is selected is output, the range switch controller drives the parking pawl and brings the automatic transmission into the parking state when the delay time set by the delay setter has elapsed after the clutch is disengaged by the clutch controller.