| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a variable nozzle control device of a turbocharger capable of performing proper processing at failure by detecting the failure of a temperature sensor for measuring a temperature. <P>SOLUTION: The variable nozzle control device of the turbocharger has an electronic control actuator for controlling an opening of a vane of a variable nozzle by controlling a rotation angle of a rotary shaft of a motor based on a control signal from an engine control device for controlling the drive of an engine having the turbocharger having the variable nozzle, and has a first temperature sensor for measuring a temperature in the electronic control actuator, a second temperature sensor for measuring a temperature in the electronic control actuator, an abnormality detecting means for outputting a sensor abnormal signal when a difference between two output values is not a predetermined value or smaller by reading respective output values of the first and second temperature sensors, and an abnormality occurrence processing performing means for performing predetermined abnormality occurrence time processing when the sensor abnormal signal is outputted. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
