my tab view isnt loading with the master view

i have a problem with my tabs the default values isnt working with the tabs 

also the save isnt saving the views for the tabs it only saves the master values only

this is my screen 

and this is my tab dac

[PXCacheName("InspectionMalfunctionCheck")]
    [PXPrimaryGraph(typeof(InspectionFormEntry))]
    public class InspectionMalfunctionCheck : IBqlTable
    {
        #region malfunctionCheckID
        public abstract class malfunctionID : PX.Data.IBqlField
        {
        }
        protected int? _MalfunctionID;
        [PXDBIdentity(IsKey = true)]
        [PXUIField(Enabled = false)]
        public virtual int? MalfunctionID
        {
            get
            {
                return this._MalfunctionID;
            }
            set
            {
                this._MalfunctionID = value;
            }
        }
        #endregion

        #region InspectionNbr
        [PXDBString(20, InputMask = "")]
        [PXUIField(DisplayName = "Inspection Nbr")]
        [PXDBDefault(typeof(InspectionFormInq.inspectionFormNbr))]
        [PXParent(typeof(Select<InspectionFormInq,
                    Where<InspectionFormInq.inspectionFormNbr,
                    Equal<Current<InspectionFormInq.inspectionFormNbr>>>>))]
        public virtual string InspectionNbr { get; set; }
        public abstract class inspectionNbr : PX.Data.BQL.BqlString.Field<inspectionNbr> { }
        #endregion

        #region CarControlSysTest
        [PXDBString(1, InputMask = "")]
        [PXUIField(DisplayName = "أختبار نظام تحكم السيارة")]
        [PXDefault("N")]
        [PXStringList
            (
            new string[] { "G", "M", "B", "N" },
            new string[] { "Good", "Medium", "Bad", "N/A" }
            )
        ]
        public virtual string CarControlSysTest { get; set; }
        public abstract class carControlSysTest : PX.Data.BQL.BqlString.Field<carControlSysTest> { }
        #endregion
}