A door lock control system includes: a motor, actuating a door lock; a power supply, supplying power to the motor; a first relay and a second relay, arranged in series between the motor and the power supply; a switch, operated by a user; a body ECU, turning on the first relay for a predetermined time in response to the switch being operated; and a timer IC, turning on the second relay for a predetermined time in response to the switch being operated.

A door lock control system includes: a motor, actuating a door lock; a power supply, supplying power to the motor; a first relay and a second relay, arranged in series between the motor and the power supply; a switch, operated by a user; a body ECU, turning on the first relay for a predetermined time in response to the switch being operated; and a timer IC, turning on the second relay for a predetermined time in response to the switch being operated.

A method performs autonomous travel control of a subject vehicle to a target stop position on the basis of a remote operation command from a remote operation device. The subject vehicle has an autonomous travel control function and an automatic locking/unlocking function for a vehicle door. The autonomous travel control is executed under a precondition that a locking/unlocking device for the door is unlocked. The method includes prohibiting the automatic locking/unlocking function from locking the door while the vehicle is executing autonomous travel control; detecting a distance between the vehicle and the remote operation device when the vehicle stops at the target stop; setting a temporal interval from when the vehicle stops until the locking/unlocking device for the door is locked using the automatic locking/unlocking function to a temporal interval in accordance with the distance; and locking the door using the automatic locking/unlocking function when the temporal interval has elapsed.

A method performs autonomous travel control of a subject vehicle to a target stop position on the basis of a remote operation command from a remote operation device. The subject vehicle has an autonomous travel control function and an automatic locking/unlocking function for a vehicle door. The autonomous travel control is executed under a precondition that a locking/unlocking device for the door is unlocked. The method includes prohibiting the automatic locking/unlocking function from locking the door while the vehicle is executing autonomous travel control; detecting a distance between the vehicle and the remote operation device when the vehicle stops at the target stop; setting a temporal interval from when the vehicle stops until the locking/unlocking device for the door is locked using the automatic locking/unlocking function to a temporal interval in accordance with the distance; and locking the door using the automatic locking/unlocking function when the temporal interval has elapsed.

A door and locking system for a rear opening of a long bed trailer, the rear opening having a top edge, a bottom edge and first and second side edges, the door and locking system has a canvas door configured for mounting adjacent to the rear opening of the long bed trailer. The canvas door can move between a closed position in which the canvas door moves to close the rear opening and an open position in which the canvas door moves to open the rear opening. A locking system secured to the edges of the rear opening can move between a locked position, in which the locking system is in locking engagement with the canvas door in the closed position to secure the canvas door against the edges of the rear opening to close the opening for retaining fluidizable product in the long bed trailer and an unlocked position, in which the locking system is free from locking engagement with the canvas door to allow the canvas door to move into the open position.

A vehicle tailgate locking device including an external door handle switch configured to be turned on and off in response to operation of an external door handle, a latch assembly including a latch member configured to engage or disengage a striker by rotation, a pawl member configured to restrain or release the latch member, and a latch motor configured to rotate the pawl member to release the latch member, and a controller configured to control power to be supplied to the latch motor in response to the external door handle switch being turned on, to stop the power supplied to the latch motor in response to either the external door handle switch being turned off after the external door handle switch is turned on or an elapse of a preset time.

A vehicle tailgate locking device including an external door handle switch configured to be turned on and off in response to operation of an external door handle, a latch assembly including a latch member configured to engage or disengage a striker by rotation, a pawl member configured to restrain or release the latch member, and a latch motor configured to rotate the pawl member to release the latch member, and a controller configured to control power to be supplied to the latch motor in response to the external door handle switch being turned on, to stop the power supplied to the latch motor in response to either the external door handle switch being turned off after the external door handle switch is turned on or an elapse of a preset time.

A vehicle tailgate locking device including an external door handle switch configured to be turned on and off in response to operation of an external door handle, a latch assembly including a latch member configured to engage or disengage a striker by rotation, a pawl member configured to restrain or release the latch member, and a latch motor configured to rotate the pawl member to release the latch member, and a controller configured to control power to be supplied to the latch motor in response to the external door handle switch being turned on, to stop the power supplied to the latch motor in response to either the external door handle switch being turned off after the external door handle switch is turned on or an elapse of a preset time.

A system for controlling a vehicle power tailgate includes a latch structured to be movable to a latching position when the latch is engaged with a portion of a tailgate so as to maintain the tailgate in a closed position associated with the latching position of the latch. A latch actuator operably connected to the latch to control operation of the latch. A memory is communicably coupled to the processor and stores a tailgate control module including instructions that when executed by a processor cause the processor to, responsive to receipt of a tailgate opening command, control operation of the latch actuator to attempt move the latch to an over-stroke position of the latch and, responsive to a failure to move the latch to the over-stroke position within a predetermined time period, control operation of the latch actuator to move the latch to a fully-latched position of the latch.

A system for controlling a vehicle power tailgate includes a latch structured to be movable to a latching position when the latch is engaged with a portion of a tailgate so as to maintain the tailgate in a closed position associated with the latching position of the latch. A latch actuator operably connected to the latch to control operation of the latch. A memory is communicably coupled to the processor and stores a tailgate control module including instructions that when executed by a processor cause the processor to, responsive to receipt of a tailgate opening command, control operation of the latch actuator to attempt move the latch to an over-stroke position of the latch and, responsive to a failure to move the latch to the over-stroke position within a predetermined time period, control operation of the latch actuator to move the latch to a fully-latched position of the latch.