| 摘要 |
The present invention reduces costs and time by improving repair workability by directly, accurately, and quickly detecting the malfunction of a corresponding relay when the relay comprising a power relay assembly is in trouble, preventing the unexpected dangerous situation of a vehicle by improving the reliability of a repair, and improving malfunction diagnosis performance to check the malfunction of a relay component, the malfunction of a relay control circuit of a BMS, the short circuit of a control output wire, or the disconnection of the control output wire. Thereby, the system stability of the vehicle is secured. |
