| 摘要 |
PROBLEM TO BE SOLVED: To provide a control apparatus capable of having high accuracy of learning a reference position and detecting failure in function related to the reference position learning.SOLUTION: An MPU 80 serves as a reference position learning means, limits current flowing in a coil 22 and MOSs 61, 62, and 63 with a current limit circuit 75, rotates a motor 20 until a detent plate 32 stops at a limit position of a movable range, and learns a reference position of the motor 20. A failure detection unit 82 of the MPU 80 serves as a failure detection means. In addition, when the unit turns a relay 65 ON, turns all MOSs (61, 62, and 63) OFF, and flows current corresponding to a constant current value (I) to a confluence P1 with a constant current circuit 77, the MPU 80 can detect a failure in a current detection circuit 74 on the basis of a voltage value detected by a voltage detection circuit 76 and a current value detected by the current detection circuit 74. |
