Device and method for central on-board diagnosis for motor vehicles
First Claim
1. On-board diagnosis method for a motor vehicle system which has a plurality of control devices which devices are networked to one another, said method comprising making available exclusively status data which do not contain diagnosis information by the plurality of control devices and centrally executing fault diagnosis for control devices and components of the motor vehicle system based on status data.
1 Assignment
0 Petitions
Accused Products
Abstract
The aim of the invention is to improve the diagnosis of motor vehicle systems comprising a plurality of functional components in a network. To this end, the individual status data of the control units (11, 12, 13, 14) is monitored in a central diagnostic control unit (15), optionally using a mathematical model. This is advantageous in that each control unit (11, 12, 13, 14) does not have to be provided with a memory and calculation capacity for the diagnosis.
6 Citations
9 Claims
- 1. On-board diagnosis method for a motor vehicle system which has a plurality of control devices which devices are networked to one another, said method comprising making available exclusively status data which do not contain diagnosis information by the plurality of control devices and centrally executing fault diagnosis for control devices and components of the motor vehicle system based on status data.
- 4. On-board diagnosis device of a motor vehicle system comprising a plurality of control devices which are networked to one another, a recording means which can be connected to the motor vehicle system, for recording solely status data which do not contain diagnosis information from the plurality of control devices, and a computing means which is connected to the recording means for central execution of fault diagnosis for control devices and components of the motor vehicle system based on the status data.
Specification