Title:
異常診断装置
Document Type and Number:
Japanese Patent JP7447855
Kind Code:
B2
Abstract:
An abnormality diagnosis device includes: an acquisition unit that acquires a DTC and FFD stored in a vehicle storage unit of a vehicle; a diagnosis engine having a CPU and a storage device; and a database that stores a plurality of discriminant sets corresponding to the respective DTCs. A discriminant item relating to a vehicle part that is a possible cause of an abnormality represented by a corresponding DTC is associated with each of the discriminant sets. Each of the discriminant items has part information showing a vehicle part and a discriminant table including a rule for analyzing the FFD relating to the vehicle part. The diagnosis engine diagnoses whether the vehicle part has an abnormality by retrieving the discriminant set corresponding to the DTC and analyzing the FFD in accordance with the discriminant table of the discriminant item associated with that discriminant set.
Inventors:
Tetsuya Yusui
Application Number:
JP2021048963A
Publication Date:
March 12, 2024
Filing Date:
March 23, 2021
Export Citation:
Assignee:
Toyota Motor Corporation
International Classes:
G01M17/007; B60R16/02
Domestic Patent References:
| JP2009293951A | ||||
| JP2021016207A | ||||
| JP2016049947A | ||||
| JP2010064654A | ||||
| JP2020147198A | ||||
| JP2015073190A |
Foreign References:
| US20060149434 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda