| 摘要 |
There are configured a first transmission path, along which data is transmitted/received between a controller and a first microcomputer through a first driver, and a second transmission path, along which data is transmitted/received between the controller and the first microcomputer through a second driver. The controller transmits an operation check signal to the first microcomputer through the first or second transmission path, and receives a response signal from the first microcomputer through the first or second transmission path.
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