BMW1系-F20整车电子电器系统-电压供给
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
13
F20GeneralVehicleElectrics. 3.VoltageSupply.
Index
3 4 5 6 7 8 9 10 11 12
Explanation
Powerdistributionbox,enginecompartment B+jumpstartterminalpoint PowerDistributionModule(PDM) Startermotor Alternator Safetybatteryterminal(SBK) Battery Intelligentbatterysensor(IBS) Batterypowerdistributionbox Powerdistributionbox,luggagecompartment
Index
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Explanation
PowerDistributionModule(PDM)(onlyinvehicleswithN13engines) Alternator DigitalEngineElectronics(DME)orDigitalDieselElectronics(DDE) Startermotor Electricfan Relayforelectricfan B+jumpstartterminalpoint Powerdistributionbox,front Powerdistributionbox,enginecompartment FrontElectronicModule(FEM) RearElectronicModule(REM) Powerdistributionbox,luggagecompartment Safetybatteryterminal(SBK) Battery Intelligentbatterysensor(IBS) Batterypowerdistributionbox CrashSafetyModule(ACSM)
12wk.baidu.com
F20GeneralVehicleElectrics. 3.VoltageSupply.
Voltagesupplycomponents
Index
A B 1 2
Explanation
Voltagesupplycomponents,front Voltagesupplycomponents,rear Mainbatterycables Powerdistributionbox,front
3.2.1.Wiringharness
WiththeF20aluminiumcablesarebeingincreasinglyusednexttothebatterycabletosupply power.Thereasonfortheincreaseduseofaluminiumistheweightandcostsavingsmade.TheB+ underfloorcablemadefromsolidaluminiumwithflatprofilesectionrunsfromtheB+transferterminal point(rear)totheB+jumpstartterminalpoint(front). CPAconnectorsareusedatboththeenginecompartmentpowerdistributionboxandtheluggage compartmentpowerdistributionbox.Thisprovidesforsignificantlymorereliablecontacting.In addition,thinnercableswithacross-sectionofjust0.22mm²areusedintheF20forthefirsttime. Thefollowingtablesshowsthedistributionofcopperandaluminiumcablesinthevehicle:
F20GeneralVehicleElectrics. 3.VoltageSupply.
3.1.Systemwiringdiagram
F20systemwiringdiagram,voltagesupply
11
F20GeneralVehicleElectrics. 3.VoltageSupply.
3.2.Components
ThevoltagesupplyoftheF20comprisesthefollowingcomponents:
• Battery • Intelligentbatterysensor(IBS) • Safetybatteryterminal(SBK) • PowerDistributionModule(PDM) • Powerdistributionbox,front,withB+jumpstartterminalpoint • Powerdistributionbox,enginecompartment • Powerdistributionbox,luggagecompartment • Powerdistributionbox,battery,withB+transferterminalpoint • Batterycables • Startermotor • Alternator.