| 摘要 |
A sensor unit having a sensor and an adjustment means is welded to a vehicle. After the mounting of the sensor unit, a receiver mean externally receives modification information for modifying the load signal adjustment. Thereby, the load signal outputted from the sensor is adjusted by the adjustment means responsive to the modification information to be externally outputted. Thus, after the mounting of the sensor unit, the receiver mean receives the modification information, and the adjustment means adjusts the load signal supplied from the sensor based on the modification information. This allows the sensor unit to unitarily have the sensor and the adjustment means. Thereby, the adjustment means can be modified by the modification information externally supplied. Accordingly, the sensor unit with the adjustment means can be applied to various types of vehicles.
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