| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vehicular electronic control device which estimates the authenticity of an information signal received from another instrument mounted on a vehicle or connected from the outside of the vehicle. <P>SOLUTION: The vehicular electronic control device (ECU2) controls an electrical equipment 103 based on the information signal for control received from another instrument (ECU1) mounted on the vehicle or connected from the outside of the vehicle. The vehicular electronic control device is configured to input the signal of the state of a power source (power source circuit 102a) for driving another instrument (ECU1) in addition to the information signal from another instrument (ECU1) and to estimate the authenticity of the information signal based on the signal of the state of the power source (power source circuit 102a). <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
