Provided is an automobile architecture (9) capable of reducing the cable diameter. The architecture (9) includes a composite cable (1), a main electronic control unit (91), a sub electronic control unit (92), a motor sensor (940), and a wheel speed sensor (93). In the architecture (9), the composite cable (1) connects the main electronic control unit (91) and the sub electronic control unit (92), and the motor sensor (940) and the wheel speed sensor (93) are , Connected to the sub electronic control unit (92).
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