US 11,952,000 B2
Vehicle failure diagnostic device
Yoshimasa Kurokawa, Hiroshima (JP); and Tetsuhiro Yamashita, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Appl. No. 17/616,186
Filed by Mazda Motor Corporation, Hiroshima (JP)
PCT Filed Mar. 13, 2020, PCT No. PCT/JP2020/011255
§ 371(c)(1), (2) Date Dec. 3, 2021,
PCT Pub. No. WO2020/246102, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 2019-106425 (JP), filed on Jun. 6, 2019.
Prior Publication US 2022/0242426 A1, Aug. 4, 2022
Int. Cl. B60W 50/02 (2012.01); G07C 5/08 (2006.01); B60W 60/00 (2020.01)
CPC B60W 50/0225 (2013.01) [B60W 50/0205 (2013.01); G07C 5/0808 (2013.01); B60W 2050/0215 (2013.01); B60W 60/0015 (2020.02)] 8 Claims
OG exemplary drawing
 
1. A vehicle failure diagnostic device comprising:
an arithmetic unit configured to perform a calculation for controlling in-vehicle devices mounted in a vehicle;
a plurality of sensors configured to input vehicle information including an exterior environment of the vehicle to the arithmetic unit;
a target motion setter provided in the arithmetic unit and configured to set a target motion of the vehicle based on the information input by the plurality of the sensors;
a device controller provided in the arithmetic unit and configured to output a control signal to each of the in-vehicle devices based on the target motion set by the target motion setter; and
a device failure diagnostic unit provided between the device controller and the in-vehicle devices in a communication path of the arithmetic unit and configured to diagnose a failure of each of the in-vehicle devices,
the device failure diagnostic unit having a device diagnostic table in which the in-vehicle devices associated with each function are specified for each function of the vehicle, and diagnosing the failure of the in-vehicle devices based on output of the in-vehicle devices and the device diagnostic table.