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天龙、天锦各系统原理图东风商用车市场销售总部网络开发部网络培训科ECU+-02005.030A5A0402905.002605.002508.002930.50292●起动机22诊断座电源G00078.0C1702051.024V●●●●ISDe电源系统原理图100A100AECUK+-02005.030A5A02905.002605.002508.0●诊断座电源22G00078.0C17K7202952.5K01K03K0524VK43K74K74●●●●●●●4H电源系统原理图100A100A+-02005.030A5A029002600250●诊断座电源GC1724V027060A30A120A02050.50230●●●dCi11电源系统原理图ECU0430A0048ISLe电源系统原理图+-02005.030A5A02600250●诊断座电源GC1724V027060A30A120A02050.50230●●●ECU+-02005.030A5A0402905.002605.002508.002930.50292●00612.5SRLgACCHOFFACC●●ON●●●ST●●●●15A02013.010A02021.0收放机雨刮暖风15A13驾驶室翻转空档开关副起动02092.029仪表起动机●记录仪3#5A停机开关5A04090.7504450.7502081.0倒车开关22诊断座电源G00078.0C1702051.024V●●●●●●●●●●●●●●45A15A33●●ISDe起动系统原理图ECUK+-02005.030A5A02905.002605.002508.0●00612.5SRLgACCHOFFACC●●ON●●●ST●●●●15A02013.0收放机雨刮暖风仪表起动机●5A诊断座电源22G00078.0C17K7202952.5K01K03K0524VK4302020.510A倒车开关ECUAA30A1502082.0K87K790212●●●●●●●●●●●●●●空档开关4H起动系统原理图K28停机开关04110211K74副起动10A0445+-VECU+-02005.030A5A029002600250●0061SRLgACCBOFFACC●●ON●●●ST●●●●15A0201收放机雨刮风机仪表起动机●诊断座电源GC1724V410AEECU9100023027060A30A120A02050.5023002040.504360407●仪表A1540A/CA18A33375110A61副起动空档开关50402021304070215043502150401●●●●●●●●●●●●●04310432停机开关●5A5A0208020904061#空档继电器2#空档继电器dCi起动系统原理图NECU+-02005.030A5A04029002600250●SRLgACCBOFFACC●●ON●●●ST●●●●15A02013.010A02021.0收放机雨刮暖风15A13驾驶室翻转副起动0209仪表起动机●记录仪3#停机开关5A0220020822诊断座电源GC1702051.024V●●●●●●●45C13A15A33●●30A00480230120A60A空档开关●●ISLe起动系统原理图0212020702110410●●●02915A02900270026002500208021512439514011402外部温度传感器PA/C压力开关●●●140314041405电子油门4359+-s10025010A制动灯报警器ABSECU挂车制动灯10ACAN总线0014001500120013CAN总线761343HLHL05010504制动开关发动机制动开关驻车制动开关2#空档继电器离合器开关巡航开关002800450047040205031408ONSETRES●PTO开关●●●●●●●●●●5ACAN总线04010407A33A15A18A16A17A34A21A500140015●●●●2810●00140015151112161CAN总线HLSHDKL00510054诊断接口SL1SL2SL3SL4仪表0100dCiVECU原理图●●910111413467895100215032210A0320032102700215080240646137516265268910053425241358555904350437●043204310213水位传感器00120013044404430439043804460445●04400436●090304ST28诊断接口K线100535停机开关1#空档继电器起动继电器04410442发动机制动1#电磁阀发动机制动2#电磁阀UR油中有水传感器机油液位传感器EDC71#端口风扇排气制动电磁阀A/C继电器045304500909045104520905PU机油压力传感器P-TUTUP水温传感器增压压力-温度传感器U油轨压力传感器0474047502500302进气预热继电器n风扇转速传感器nn发动机转速传感器相位传感器EDC72#端口03070611040502501缸喷油电磁阀2缸喷油电磁阀3缸喷油电磁阀4缸喷油电磁阀喷油泵电磁阀5缸喷油电磁阀6缸喷油电磁阀EDC73#端口dCiEECU原理图029002080203●●仪表0260●0407VECU040710A5A04015A029114090020002000140015至诊断接口91013A33A15A18C13A22A23A21A5A14HL0100空滤阻塞传感器高档指示安全带指示141914131411141515411418车速里程传感器气压传感器油量传感器1420142214171412A16A17A34A8A27A28A35A14A11C27A12A13A31+S●VDO行驶记录仪10A5A面板照明●●1409P-AP-B5612312346110314121411021614131414+-SI/OSdCi仪表系统原理图025012011202远光指示灯近光指示灯10A10A15A100111011005仪表照明灯10A仪表远光灯继电器近光灯继电器前雾灯开关前雾灯继电器仪表●●10A●●●综合报警器后雾灯挂车后雾灯挂车后雾灯后雾灯继电器12051206120712001006100710021003●●●●●●●●●●●●●●●●●●●●●●后雾灯开关dCi照明系统原理图1102110301140132025010A0720●●0723仪表综合报警器0724左踏步灯左前阅读灯右前阅读灯右踏步灯0725doorondooron卧铺阅读灯顶灯开关顶灯072210A20A近光灯继电器左转向照地灯右转向照地灯12345闪光单元1017111416仪表指示灯仪表指示灯仪表指示灯仪表指示灯左转灯右转灯挂车左转灯挂车右转灯危险警报开关转向开关1304130713021301131213061311130513081303130213071007●●●●●●●●●●●●●●●●●●●●●●●dCi转向信号系统原理图02900260120APA/C压力开关K07K68K72K135K24323331K094608K2230K4380K17K25离合器开关00140015CAN总线PTO开关R+/S-开关043100280029RSMOFF●A/C开关信号01-00油压传感器62851701ST1002087.5A00450047S-R+021204110552021105510445030103030023029590-1790-1890-191485148914091409148414861404140326314514-8814-080202050410A050205010051K线144414451446S2S1+-+-●K93K40K74K54K28K38K77K78K56K46279876261K57空档开关车下熄火●●●●●●●●●4HECU原理图副起动开关排气制动开关制动灯开关水位传感器预热继电器空调继电器制动灯02900260C13A15A33A11C21A1200140015●01-0002900401A22A21A16A34A35A14A31A13接诊断接口7.5A前桥气压传感器后桥气压传感器1419142014221411141314121417油量传感器仪表燃油泵曲轴转速传感器凸轮轴转速传感器进气压力/温度传感器油轨压力传感器1缸喷油器2缸喷油器3缸喷油器4缸喷油器冷却液温度传感器排气制动阀90-3090-3190-0190-0290-0790-0590-0490-0890-0990-1090-1290-1390-1490-4090-4190-4290-4390-4490-4590-4690-4790-1590-1605-5305-5402130214●起动辅助继电器●●●●●4H仪表及ECUA口原理图1949271210501453402326438ECUA口+16472311461733584145293015025012011202远光指示灯近光指示灯10A10A15A100111011005仪表照明灯10A仪表远光灯继电器近光灯继电器雾灯开关前雾灯继电器仪表●●10A●●●综合报警器后雾灯挂车后雾灯挂车后雾灯后雾灯继电器12051206120712001106110710021003●●●●●●●●●●●●●●●●●●●●●●小灯1009后雾灯开关4H照明系统原理图025010A0720●●0723仪表0724左踏步灯左前阅读灯右前阅读灯右踏步灯0725doorondooron卧铺阅读灯顶灯开关荧光灯20W072210A15A仪表指示灯仪表指示灯左转灯右转灯危险警报开关转向开关1302130113061305●●●●●●●●●●●●●●G●●●13094H转向系统原理图30A0445273528262522603719301605151841240014001501-000290044501553252445413012124V+148414851486140414051403电子油门水位传感器远程油门14451448电子风扇转速传感器00470045002805500552055604830504Sef/R开关CC/PTO开关排气制动开关离合器开关远程PTO开关制动开关01000553055405570301030324V1447(ECM22)(ECM26)停机开关5A+S1-5VS2-排气制动电磁阀电子风扇电磁阀预热继电器HLISDeECM系统原理图02900260C13A15A33A11C27A1200140015●01-0002910401A5A21A16A34A35A14A31A13接诊断接口5A前桥气压传感器后桥气压传感器1419142014221411141314121417油量传感器仪表曲轴转速传感器凸轮轴转速传感器进气压力/温度传感器大气压力传感器1缸喷油器2缸喷油器3缸喷油器4缸喷油器冷却液温度传感器油中含水传感器传感器电源1#●燃油泵执行器●●●●●点火继电器15A空滤阻塞传感器141826444237291911364820123123油轨压力传感器1231234123压力信号温度信号机油压力开关00140015HL5753455855595651494734321014383921112234213421ISDe仪表及执行器口原理图025012011202远光指示灯近光指示灯10A10A15A100111011005仪表照明灯10A仪表远光灯继电器近光灯继电器雾灯开关前雾灯继电器仪表●●10A●●●综合报警器后雾灯后雾灯继电器12051206120712001006100710021003●●●●●●●●●●●●●●●●●●●前小灯1009后雾灯开关1103综合报警器后小灯12031204ISDe照明系统原理图025010A