Vehicle diagnostic method, and external diagnostic device

摘要

In a vehicle diagnostic method and an external diagnostic device, the acceleration of a vehicle is detected while the vehicle is travelling with an acceleration detection means that is provided to the external diagnostic device mounted on the vehicle, and the external diagnostic device acquires operation information of the vehicle from the vehicle. The external diagnostic device performs at least one of a vehicle performance diagnosis, a driving technique diagnosis of the driver, and a fault diagnosis using the operation information and the acceleration of the vehicle.

主权项

1. A vehicle diagnostic method for acquiring operation information of a vehicle via data communication between an electronic control unit mounted on said vehicle and an external diagnostic apparatus, and causing said external diagnostic apparatus to run at least one of a fault diagnosis of said vehicle, a performance diagnosis of said vehicle, and a driving technique diagnosis of the driver of said vehicle, said vehicle diagnostic method comprising:
providing the external diagnostic apparatus on the vehicle, the external diagnostic apparatus including an acceleration detecting unit, which is connected detachably to or incorporated in a main body of the external diagnostic apparatus; detecting, with the acceleration detecting unit, an acceleration applied to the external diagnostic apparatus and acquiring, with the external diagnostic apparatus, operation information of the vehicle from the vehicle, while the vehicle is traveling with the external diagnostic apparatus and the acceleration detecting unit mounted on the vehicle; and causing the external diagnostic apparatus to make at least one of the performance diagnosis of the vehicle, the fault diagnosis of the vehicle, and the driving technique diagnosis of the driver of the vehicle, using the acceleration that is applied to the external diagnostic apparatus, and is detected with the acceleration detecting unit and directly sent to the external diagnostic apparatus without any intervention from the electronic control unit, and the operation information of the vehicle acquired with the external diagnostic apparatus.