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

Claim 21:
22. A progress screen display control method for a vehicle electronic control system including:
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; and
a display terminal, the method comprising the steps of:
determining whether an external mode for a screen display related to an approval to a program update is set;
instructing 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 upon determining that the external mode is set;
instructing the display terminal to display the progress screen of the program update according to the current update phase and an initial setting upon determining that the external mode is not set; and
displaying the progress screen of the program update as instructed.