后处理加热继电器盒损坏现象: ①启动后,OBD故障灯亮;②故障码:P028F(尿素压力管路加热继电器控制端开路故障)。原因分析:线束断路故障。解决措施:检查修复加热继电器盒线束。 7、尿素供给单元驱动电路开路故障现象: ①启动后,OBD故障灯常亮;②发动机限扭、没劲;③故障码:P3006(尿素供给单元驱动电路开路故障)④不消耗尿素原因分析:尿素泵控制线断路,具体表现为,尿素泵电气插接件引脚虚接,尿素泵不工作,系统不能正常喷射尿素,导致排放**标,发动机限扭,同时系统报警。 解决措施:检查尿素泵线束端插接件。OKT 8、仪表底层软件错误不发送车速信号现象: 喷油嘴 DN_SD RDN12SD6236 RDN12SD6236 喷油嘴 DN_SD 0 434 250 047 RDN0SPC6209 喷油嘴 DN_SD 5641935 RDN0SDC6903 喷油嘴 DN_SD 5641934 RDN0SDC6902 喷油嘴 DN_SD 5641921 RDN0SDC6887D 喷油嘴 DN_SD RDN0SD178 RDN0SD178 喷油嘴 DN_SD dnopd80 dnopd80 喷油嘴 DN_SD 172100-53000 DN4SK1.7 喷油嘴 DN_SD DN4SK1.7 DN4SK1.7 喷油嘴 DN_SD 105000-1930 DN4SDND90 喷油嘴 DN_SD 093400-0620 DN4SDND62 喷油嘴 DN_SD 093400-1420 DN4SDND142 喷油嘴 DN_SD 093400-1350 DN4SDND135 喷油嘴 DN_SD 093400-1330 DN4SDND133 喷油嘴 DN_SD 093400-0800 DN4SD24ND80 喷油嘴 DN_SD 0 434 250 014 DN4SD24 喷油嘴 DN_SD 0 434 250 056 DN4SD187 喷油嘴 DN_SD 105000-0020 DN4S2 喷油嘴 DN_SD 0 434 200 001 DN4S1 喷油嘴 DN_SD 093400-0090 DN40SDND32 喷油嘴 DN_SD DN15S2 DN15S2 喷油嘴 DN_SD 105000-1890 DN12SDN189 喷油嘴 DN_SD 0 434 250 153 DN12SD290 喷油嘴 DN_SD 093400-0100 DN12SD12 喷油嘴 DN_SD 105000-1770. DN0SDND177 喷油嘴 DN_SD 093400-1360 DN0SDND136 喷油嘴 DN_SD 105000-1871 DN0SDN187 喷油嘴 DN_SD DN0SD6751 DN0SD6751 喷油嘴 DN_SD 093400-1830 DN0SD6577 喷油嘴 DN_SD DN0SD320 DN0SD320 喷油嘴 DN_SD 0 434 250 177 DN0SD315 喷油嘴 DN_SD 0 434 250 176 DN0SD314 喷油嘴 DN_SD DN0SD312 DN0SD312 喷油嘴 DN_SD 0 434 250 896 DN0SD311 喷油嘴 DN_SD 0 434 250 897 DN0SD310 喷油嘴 DN_SD 0 433 250 170 DN0SD309 喷油嘴 DN_SD 0 434 250 169 DN0SD308 喷油嘴 DN_SD 0 434 250 898 DN0SD304 喷油嘴 DN_SD 0 434 250 163 DN0SD302 喷油嘴 DN_SD 0 434 250 162 DN0SD301 喷油嘴 DN_SD 0 434 250 161 DN0SD300 喷油嘴 DN_SD 0 434 250 160 DN0SD299 ①上坡或者急加速时,发动机动力性会有2s的短暂下降;原因分析:行车过程中,仪表发送的车速信号突然下降为0,车速信号的变化导致ECU控制油量的变化,产生瞬时断油现象。解决措施:如果该车匹配的仪表零件号为3820010-61B,请更新为新版的仪表,零件号为3820010D61B。