Patent ID: 11947953
Assignee: DENSO CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G  B | IPC B  G

Claim 0:
1. A vehicle electronic control system, comprising:
a vehicle master device that is configured to instruct a rewrite target electronic control unit (ECU) to write update data received from a center device and distribute the update data to the rewrite target ECU;
the rewrite target ECU that is configured to write the update data received from the vehicle master device into a non-volatile memory;
a display terminal; and
at least one processor configured to serve as:
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, wherein

the display terminal is configured to display the progress screen of the program update as instructed by the screen display instruction unit.