US 12,391,197 B2
Information processing system, non-transitory storage medium, and information processing method
Taichi Matsumura, Toyota (JP); Katsuma Ishizaki, Nagakute (JP); and Mitsuo Sawada, Miyoshi (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Nov. 2, 2023, as Appl. No. 18/500,402.
Claims priority of application No. 2022-209624 (JP), filed on Dec. 27, 2022.
Prior Publication US 2024/0208439 A1, Jun. 27, 2024
Int. Cl. B60R 16/023 (2006.01)
CPC B60R 16/0231 (2013.01) 8 Claims
OG exemplary drawing
 
1. An information communication system comprising:
a first electronic control unit configured to
communicate with a second electronic control unit,
acquire an activation request signal from an external device,
determine whether the acquired activation request signal has continued for a prescribed period or more,
when the first electronic control unit determines that the activation request signal has continued for the prescribed period or more, identify the external device that has output the activation request signal as an abnormal external device,
switch the second electronic control unit to a wake-up mode when the first electronic control unit acquires the activation request signal from the external device that is not the abnormal external device while the second electronic control unit is in a sleep mode, and
switch the second electronic control unit to the sleep mode when the first electronic control unit acquires the activation request signal from the abnormal external device; and
the second electronic control unit.