METHOD OF DIAGNOSING BREAKDOWN OF HEAD UNIT AND CAMERA UNIT FOR VEHICLE
First Claim
Patent Images
1. A method of diagnosing a breakdown of a head unit and a camera unit for a vehicle, the method comprising:
- supplying an operation voltage to the camera unit by the head unit and storing a voltage supply time, when a vehicle gear of the vehicle is located in a set gear stage;
storing a signal reception time, when the head unit receives an image signal transmitted by the camera unit;
diagnosing whether the camera unit is operating normally based on the voltage supply time and the signal reception time; and
storing a breakdown diagnosis result by the head unit, when it is diagnosed that the camera unit breaks down.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a method of diagnosing a failure of a head unit and a camera unit for a vehicle including: supplying an operation voltage to the camera unit by the head unit and storing a voltage supply time, when a vehicle gear of the vehicle is located in a set gear stage; storing a signal reception time, when the head unit receives an image signal transmitted by the camera unit; diagnosing whether the camera unit is operating normally based on the voltage supply time and the signal reception time; and storing a breakdown diagnosis result by the head unit, when it is diagnosed that the camera unit breaks down.
-
Citations
10 Claims
-
1. A method of diagnosing a breakdown of a head unit and a camera unit for a vehicle, the method comprising:
-
supplying an operation voltage to the camera unit by the head unit and storing a voltage supply time, when a vehicle gear of the vehicle is located in a set gear stage; storing a signal reception time, when the head unit receives an image signal transmitted by the camera unit; diagnosing whether the camera unit is operating normally based on the voltage supply time and the signal reception time; and storing a breakdown diagnosis result by the head unit, when it is diagnosed that the camera unit breaks down. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
Specification