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

Claim 19:
20. 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;
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 users customization operation; and
determine whether an external mode for the screen display related to the approval to the program update is set; and

a screen display instruction unit that is configured to, when the mode determination unit determines that both the customization mode and the external mode are set:
prioritize the external mode over the customization mode; and
instruct the display terminal to display a progress screen of the program update according to a current update phase and a setting of the external mode, wherein

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