A processor of an electronic control unit performs at least one of a first diagnosis process of determining whether or not a switching element is abnormal based on a signal output from an abnormality diagnosis circuit in a state where a first diagnosis voltage supply circuit is controlled to supply a first diagnosis voltage to a control line and a second diagnosis process of determining whether or not a pilot signal line is abnormal based on the signal output from the abnormality diagnosis circuit obtained in a state where a second diagnosis voltage supply circuit is controlled to supply a second diagnosis voltage to the pilot signal line.
申请公布号
US2013099740(A1)
申请公布日期
2013.04.25
申请号
US201213653815
申请日期
2012.10.17
申请人
KEIHIN CORPORATION;HONDA MOTOR CO., LTD.;HONDA MOTOR CO., LTD.;KEIHIN CORPORATION