Patent ID: 8412405
Filing Date: 2013-04-02
Classification: G07C

Abstract:
1. An electronic control unit for vehicle diagnosis comprising: a rewritable nonvolatile memory; diagnosing means for diagnosing a vehicle device mounted in a vehicle based on a signal from the vehicle device and store in the rewritable nonvolatile memory a diagnosis result indicating abnormality of the vehicle device; control data storing means for storing control data indicating whether storage of the diagnosis result in the rewritable nonvolatile memory is permitted; navigation means for detecting and providing position data of the vehicle; checking means for checking whether the vehicle has moved out of a specified region based on the position data of the navigation means; permission switching means for changing the control data from non-permission to permission upon detecting that the vehicle has moved out of the specified region by the checking means; and storage permitting means for permitting the diagnosing means to store the diagnosis result in the rewritable nonvolatile memory only when the control data within the control data storing means is indicative of the permission, the storage permitting means maintaining the diagnosis result stored in the rewritable nonvolatile memory irrespective of power supply to the nonvolatile memory.