1)cruise control on/off switch fault,巡航控制接合/分离开关故障2)cruise control on/off switch,巡航控制接合/分离开关3)cruise on/off switch,巡航接合/分离开关4)cruise control set/resume switch fault,巡航控制调定/恢复开关故障5)cruise/pto on/off switch,巡航/动力输出接合/分离开关6)cruise control on/off input circuit,巡航控制接合/分离输入回路