Abstract: A center device is provided that manages data to be written to electronic control units mounted on a vehicle. The center device includes an update data storage unit that stores update data for a data update target device among the electronic control units. The center device distributes the update data to the vehicle. The center device includes an individual vehicle configuration information storage unit that stores identification information of target vehicles targeted for update using the update data, and update status information regarding update completion status and update-in-progress status acquired as update status from target vehicles. The center device manages the update status information of the target vehicles in a statistically tabulatable manner on basis of the update status information.

Abstract: A vehicle master device includes an installation condition determination unit that is configured to determine whether all of a first condition that a user's approval for the installation has been obtained, a second condition that data communication with a center device is available, a third condition that a vehicle condition is an installable condition, a fourth condition that a rewrite target ECU is in an installable condition, and a fifth condition that the update data is normal data are satisfied. The device further includes an installation instruction unit that is configured to instruct the rewrite target ECU to perform installation using the update data when the installation condition determination unit determines that all of the first condition, the second condition, the third condition, the fourth condition, and the fifth condition are satisfied.

Abstract: A center device includes an update data storage unit in which new data and new difference data for updating to the new data from old data are stored for, among electronic control units mounted on a vehicle, a target device targeted for data update. The center device generates, using the new data, a first verification value for verifying integrity in the vehicle, and generates, using the new difference data, a second verification value for verifying integrity of the new difference data in the vehicle. The center device generates a package including the new difference data, the first verification values and the second verification values for a plurality of the target devices. The center device generates, using the distribution package, a third verification value for verifying integrity of the distribution package in the vehicle, and transmits the distribution package along with the third verification value to the in-vehicle device.

Abstract: A center device manages data to be written into electronic control units mounted on a vehicle and includes an update data storage storing update data for a target device being a target of data update among the electronic control units, a vehicle information storage storing, together with type of the vehicle, vehicle related information, and a device related information storage storing update data related information. Based on information stored in the device related information storage and the vehicle information storage, the center device generates specification data including device type, attribute, the update data related information of the target device, and information indicating rewrite environment related to the data update of the target device, and generates a distribution package including the update data and the specification data.

Abstract: When configuration information regarding configurations of respective devices are received from electronic control units, the in-vehicle device generates a hash value based on data values of the configuration information, and transmits the hash value to a center device. The center device compares the hash value received from the in-vehicle device with a hash value of configuration information of the vehicle stored in a vehicle-side configuration information storage unit of the center device, and notifies the in-vehicle device of a full data transmission request for transmitting all data values of the configuration information when both of the hash values do not match each other. When the in-vehicle device is notified of the full data transmission request, the in-vehicle device transmits all of the data values of the configuration information to the center device.

Abstract: In a vehicle electronic control system, a vehicle master device is configured to acquire data storage bank information including information for specifying which bank is an active bank and information for specifying software versions of an active bank and an inactive bank from a rewrite target ECU that has a non-volatile memory with a plurality of data storage banks and to transmit the data storage bank information acquired by the data storage bank information acquisition unit to a center device. The center device is configured to select update data compliant to the inactive bank on the basis of the software versions and the active bank specified by the data storage bank information received from the vehicle master device and to transmit a distribution package including the update data selected by the update data selection unit to the vehicle master device.

Abstract: A vehicle master device includes a rewrite target specifying unit that is configured to identify a plurality of rewrite target ECUs, a rewrite completion determination unit that is configured to determine whether a program rewrite is completed for all the plurality of rewrite target ECUs specified by the rewrite target specifying unit, an activation executable determination unit that is configured to determine whether activation is executable when the rewrite completion determination unit determines that the program rewrite is completed for all the plurality of rewrite target ECUs, and an activation request instruction unit that is configured to instruct all the plurality of rewrite target ECUs at the same time to perform the activation when the activation executable determination unit determines that activation is executable.

Abstract: A vehicle electronic control system includes a mode determination unit that is configured to determine whether a customization mode for a screen display related to an approval to a program update is set through a user's customization operation, and a screen display instruction unit that is configured to instruct the display terminal to display a progress screen of the program update according to a current update phase and a setting of the customization mode when the mode determination unit determines that the customization mode is set and instruct the display terminal to display the progress screen of the program update according to the current update phase and an initial setting when the mode determination unit determines that the customization mode is not set. The display terminal is configured to display the progress screen of the program update as instructed by the screen display instruction unit.

Abstract: A center device is configured to acquire software information of an ECU from a vehicle side, determine whether availability of update data for a vehicle based on the acquired software information, and transmit the campaign information to a master device when a vehicle condition is determined to be a contion suitable for an update. The master device is configured to download a distribution package from the center device when the vehicle condition is determined to be a condition in which the distribution package is downloadable.

Abstract: An electronic control system for vehicle includes a center device that manages a program update of a vehicle, and a vehicular master device that is communicable with the center device. The center device, responsive to a user giving approval for program update by using a device not being a possession owned by the user, receives approval information of the user, and stores and manages the approval information in association with vehicle information of the user. The center device transmits the approval information to the user's vehicle side. When the vehicular master device receives the approval information, the vehicular master device performs rewriting of the program.

Abstract: An electronic control unit diagnoses the electronic control unit via wired connection or wireless from an outside of a vehicle and rewrites the electronic control unit via the wire or the wireless from the outside of the vehicle, based on a program acquired from the outside of the vehicle via the wire or the wireless.

Abstract: A vehicle system includes: a reprogramming slave device implemented by an electronic control unit (hereinafter “ECU”) to be a target of updating an update file of a program stored among a plurality of the ECUs; a reprogramming master device that transmits the update file to the reprogramming slave device to control the update of the program stored in the reprogramming slave device according to a request from a terminal operable by a vehicle user; and a determination unit determines the progress of update processing on the update file. A vehicle device functions as the reprogramming master that includes: an obtaining unit for obtaining the progress determined by the determination unit; and a notification command unit for commanding a notification medium to notify the progress obtained by the obtaining unit.

Abstract: A vehicle information communication system includes a vehicle device and a center device. The center device includes a storage unit, a center computer, and a center-device communication unit. The storage unit stores memory structure information for each of the ECUs. The memory structure information indicates whether a corresponding memory has a memory structure that supports Read While Write (RWW) operation defined as having a plurality of physically independent memory regions. The center computer is programmed to generate specification data including the memory structure information for each of the at least one target ECUs. The vehicle device includes a vehicle computer. The vehicle computer is programmed to perform the program data rewrites of the at least one target ECU according to the memory structure information included in the specification data.

Abstract: A vehicle management ECU comprises a diagnosis section for diagnosing electronic control units that are to be diagnosed according to a diagnosis scenario defined by a diagnosis application, and a diagnosis scenario determination section for determining whether a diagnosis scenario used for diagnosis by the diagnosis section was appropriate. If the diagnosis scenario determination section specifies that the diagnosis scenario used for the present diagnosis has not been appropriate, the diagnosis section carries out diagnosis according to a diagnosis scenario defined by a new diagnosis application different from the present diagnosis application.

Abstract: A vehicle information communication system includes a center apparatus and a vehicle apparatus that includes a group of electronic control units (ECUs) and that sends vehicle configuration information including configuration information on the group of ECUs mounted in the vehicle to the center apparatus via wireless communications. The center apparatus performs a first determination of whether the vehicle configuration information received from the vehicle apparatus matches approved-configuration information registered in an approved-configuration database, and performs a second determination of whether software update data for at least one ECU of the group of ECUs mounted in the vehicle exists in an update database. When both the first and second determinations are true, the center apparatus sends the software update data for at least one ECU of the group of ECUs mounted in the vehicle to the vehicle apparatus via the wireless communications.

Abstract: A vehicle information communication system includes a vehicle device and a center device. The center device includes a storage unit, a center computer, and a center-device communication unit. The storage unit stores memory structure information for each of the ECUs. The memory structure information indicates whether a corresponding memory has a memory structure that supports Read While Write (RWW) operation defined as having a plurality of physically independent memory regions. The center computer is programmed to generate specification data including the memory structure information for each of the at least one target ECUs. The vehicle device includes a vehicle computer. The vehicle computer is programmed to perform the program data rewrites of the at least one target ECU according to the memory structure information included in the specification data.

Abstract: A vehicle information communication system including a center apparatus and a vehicle apparatus is provided. The vehicle apparatus is mounted in a vehicle and includes electronic control units (ECUs) each associated with a respective ECU software identifier (SWID). The vehicle apparatus send the ECU SWIDs of the ECUs to the center apparatus via the wireless communications. When all of the ECU SWIDs received from the vehicle apparatus are included in any one of approved ECU SWID combinations and software update data exists for at least one of the ECUs, the center apparatus sends the software update data to the vehicle apparatus via the wireless communications. The vehicle apparatus performs ECU software update based on the software update data sent from the center apparatus.

Abstract: A vehicle information communication system including a center apparatus and a vehicle apparatus is provided. The vehicle apparatus is mounted in a vehicle and includes electronic control units (ECUs) each associated with a respective ECU software identifier (SWID). The vehicle apparatus send the ECU SWIDs of the ECUs to the center apparatus via the wireless communications. When all of the ECU SWIDs received from the vehicle apparatus are included in any one of approved ECU SWID combinations and software update data exists for at least one of the ECUs, the center apparatus sends the software update data to the vehicle apparatus via the wireless communications. The vehicle apparatus performs ECU software update based on the software update data sent from the center apparatus.

Abstract: A vehicle information communication system includes a vehicle device and a center device. The center device includes a storage unit, a center computer, and a center-device communication unit. The storage unit stores memory structure information for each of the ECUs. The memory structure information indicates whether a corresponding memory has a memory structure that supports Read While Write (RWW) operation defined as having a plurality of physically independent memory regions. The center computer is programed to generate specification data including the memory structure information for each of the at least one target ECUs. The vehicle device includes a vehicle computer. The vehicle computer is programmed to perform the program data rewrites of the at least one target ECU according to the memory structure information included in the specification data.

Abstract: A relay device is provided. The relay device includes: an acquisition unit acquiring data necessary for an upgrade processing from an upgrading tool, which performs the upgrading processing to an ECU connected to a vehicle-mounted network; a relay unit providing the data, via the vehicle-mounted network, to a target ECU which is subject to the upgrade processing; a suspend instructing unit transmitting, via the vehicle-mounted network, a suspend command which instructs the non-target ECU to shift to a suspend state in which a transmission of other data to the non-target ECU via the vehicle-mounted network is suspended in response to a start of the upgrade processing; and a cancel instructing unit instructing, via the vehicle-mounted network, the non-target ECU to cancel the suspend state when the upgrade processing is completed.