1)tpms on/off switch,载重车有效载荷测量接通/断开开关2)truck payload measurement system payload weight,载重车有效载荷测量系统有效载荷重3)truck operation payload measurement system diagnostics,载重车工作有效载荷测量系统诊断4)truck payload measurement system diagnostic code,载重车有效载荷测量系统诊断代码5)truck payload measurement system data communication port,载重车有效载荷测量系统数据通讯口6)truck payload measurement system control,载重车有效载荷测量系统控制机构