An electronic control device, comprising: a driver ECU that drives various loads for vehicular control; a sensor ECU (3, 7, 8) that samples various sensor signals; and an integrated ECU that is connected to the driver ECU and the sensor ECU (3, 7, 8) via a network and calculates command values for various loads from various sensor data, wherein the driver ECU includes a timer D for generating a timing at which an actuator of a load is actuated, the sensor ECU (3, 7, 8) includes a timer S for generating a timing at which a sensor samples a value, and the integrated ECU includes a timer M that is a reference of the timer D and the timer S, characterized in that the driver ECU includes a threshold value register D for generating internal timing and a capture register D that holds a value of the timer D at a certain timing, the integrated ECU includes: a capture register M that holds a value of the timer M at the certain timing; a threshold value register MD* whose value is transferred to the threshold value register D via the network; a capture register MD whose value is transferred to the capture register D via the network; and a threshold value register MD for generating internal timing of the driver, the timer D and the timer M are reset at the same timing, values of the timer D and the timer M are captured at the same timing, the captured value of the timer D is stored in the capture register D and the captured value of the timer M is stored in the capture register M respectively, and a value that is stored in the threshold value register MD* is calculated based on a value stored in each of the threshold value register MD, the capture register MD, and the capture register M. a driver ECU that drives various loads for vehicular control; a sensor ECU (3, 7, 8) that samples various sensor signals; and an integrated ECU that is connected to the driver ECU and the sensor ECU (3, 7, 8) via a network and calculates command values for various loads from various sensor data, wherein the driver ECU includes a timer D for generating a timing at which an actuator of a load is actuated, the sensor ECU (3, 7, 8) includes a timer S for generating a timing at which a sensor samples a value, and the integrated ECU includes a timer M that is a reference of the timer D and the timer S, characterized in that the driver ECU includes a threshold value register D for generating internal timing and a capture register D that holds a value of the timer D at a certain timing, the integrated ECU includes: a capture register M that holds a value of the timer M at the certain timing; a threshold value register MD* whose value is transferred to the threshold value register D via the network; a capture register MD whose value is transferred to the capture register D via the network; and a threshold value register MD for generating internal timing of the driver, the timer D and the timer M are reset at the same timing, values of the timer D and the timer M are captured at the same timing, the captured value of the timer D is stored in the capture register D and the captured value of the timer M is stored in the capture register M respectively, and a value that is stored in the threshold value register MD* is calculated based on a value stored in each of the threshold value register MD, the capture register MD, and the capture register M. a capture register M that holds a value of the timer M at the certain timing; a threshold value register MD* whose value is transferred to the threshold value register D via the network; a capture register MD whose value is transferred to the capture register D via the network; and a threshold value register MD for generating internal timing of the driver, the timer D and the timer M are reset at the same timing, values of the timer D and the timer M are captured at the same timing, the captured value of the timer D is stored in the capture register D and the captured value of the timer M is stored in the capture register M respectively, and a value that is stored in the threshold value register MD* is calculated based on a value stored in each of the threshold value register MD, the capture register MD, and the capture register M.