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1、BMW ServiceAftersales Training-Participant s Workbook.Electrical/Electronic Systems E92.The information contained in this Workbook is intended solely for the participant of this seminarrun by BMW Aftersales Training.Refer to the latest relevant BMW Service information for any changes/supplements to 2、theTechnical Data.Information status:April 2006conceptinfobmw.de 2006 BMW GroupMnchen,Germany.Reprints of this publication or its parts require the writtenapproval ofBMW Group,Mnchen.VS-12 Aftersales TrainingParticipant s Workbook.Electrical/ElectronicSystemsE92.Notes on this WorkbookSymbols usedThe3、 following symbols are used in this Workbook to facilitate bettercomprehension and to draw attention to important information:3contains information to facilitate better understanding of thedescribed systems and their function.1 identifies the end of a note.Information status and national variantsBMW4、 vehicles conform to the highest safety and quality standards.Changes in terms of environmental protection,customer benefits anddesign render necessary continuous development of systems andcomponents.Such developments can result in differences between thisWorkbook and the vehicles used for demonstra5、tion purposes in thetraining course.This document relates exclusively to left-hand drive vehicles with EUROspecifications.In vehicles with right-hand drive,the arrangement of somecontrols or components may differ from the illustrations in this Workbook.There may also be other differences due to vari6、ations in equipmentbetween individual countries or markets.Additional sources of informationFurther information on the individual subjects can be found in thefollowing:-Product Information-Owner s Handbook-BMW diagnosis system-Workshop systems documentation-BMW Service-TechnicalContents.Electrical/E7、lectronicSystems E92.Training1Vehicle systems network1Energy management2Car access system3Exterior lighting5Turn-off light6Interior lighting8Electrically adjustable seat with rearcompartment easy-entry10Seat belt extender1119Trainer s Workbook.Electrical/Electronic Systems E92.Vehicle systems networ8、k1.In which bus system have no changes been made compared to the E90?4K-CAN4MOST4PT_CAN4F-CAN4LIN-bus4BSD2.What control units have been newly added to the K-CAN in EU vehicles?3.Which control units have been newly added to the MOST system network in USvehicles?4Digital Audio Broadcast DAB4Satellite 9、Digital Audio Radio Services SDARS4In Band on Channel IBOC4Video module VM4.Why is the 330d(ACEA vehicles)equipped with an electromechanical steeringsystem instead of a hydraulic power steering system?4To reduce weight4To lower costs4To lower the centre of gravity4To reduce CO2 emissionsThe vehicle 10、systems network of the E92 differs from that of the E90 bythe addition of new systems.In addition to the high beam assistant andthe tyre pressure monitoring system for US vehicles,the K-CAN nowalsofeaturesafront passengerseatmoduleforrearcompartmenteasy-entry.Digital audio broadcast DAB and In Band 11、on Channel IBOC in USvehicles have been added to the MOST system network.Controllers for driver s and passenger s seat belt extenders areadditionally connected via the LIN-bus to FRM.29Energy management5.Which control system(s)is(are)used for the energy management in the E92?4Power module4Micro-powe12、r module4Basic power management4Advanced power management6.What are the additional functions of the APM compared to the BPM?4Target charging voltage specification4Idle speed boost4Electric load reduction4Electric load shut-down,terminal 30_g4Electric load shut-down,terminal 30_g_f4Vehicle systems ne13、twork and battery diagnosis7.Whyarenotallcontrolunitsconnectedtoterminal30gandswitchedoff?Giveatleast 3 reasons.The energy management in the E92 is essentially identical to that inthe E90.Corresponding to the equipment configuration,the E92 isequipped with basic or advanced power management.The addi14、tional control units are integrated in the terminal shut-downfacility via relays 30g and 30g_f.39Car access system1.Whenwasthefirstelectronicvehicleimmobilizerwithvariablecodeintroduced?419904199441995419962.How does EWS2 differ from EWS3?Give 3 reasons.3.In which E92 vehicles is the EWS4 used?4Vehi15、cles with manual transmission4Vehicles with automatic transmission4Vehicles with petrol engine4Vehicles with diesel engine4.How does the data exchange between CAS and DME take place?4Via a hard-wired cable4Via the CAS-bus4Via the K-CAN4Parallel via K-CAN and CAS-busWith the launch of the E92,a new g16、eneration of electronic vehicleimmobilizer,the EWS4,is used for petrol engine vehicles.The EWS4features an ultramodern encryption method with a 124 bit secrete key.Start enable involves a special check procedure.A random number isgenerated in the DME and sent to the CAS.The CAS calculates theresult 17、from the random number and the secrete key and sends it backto the DME.The DME performs the same calculations and therefore already knowsthe result.Start enable takes place when both results are identical.495.WhichcontrolunitintheEWSsystemnetworkinitiatesthestartenableprocess?4CAS4EWS4DME4Junction b18、ox444459Exterior lighting1.What light system is installed as standard on the E92?4Halogen4Xenon4Bi-xenon4Adaptive headlight2.In which light switch position can the welcome light be deactivated?4Not at all4Automatic driving light4Switch position 04Low beam headlight3.How is the daytime driving light 19、function realized on the E92?4By means of the main beam headlight4By means of the low beam headlight4By means of the side light corona rings4By means of the fog lightsThe E92 is equipped as standard with bi-xenon headlights.A newfeature of the E92 is the daytime driving light that is realized by mea20、nsof thecorona rings.A furthernew featureis thewelcome lightused forthefirsttimeatBMW.Whenthevehicleisopened,notonlytheinteriorlights come on for 20 seconds but also the side lights and tail lights.69Turn-off light4.When does an E92 feature the turn-off light?4When the turn-off light option was orde21、red4In connection with the bi-xenon headlight4In connection with the fog lights4In connection with the adaptive headlight5.In which light unit is the turn-off light located?4In the outer headlight4In the inner headlight4In the fog light4In a separate turn-off light unit6.How is the turn-off light ac22、tivated?4Side light ON4Low beam headlight ON4Direction indicator light ON4Steering angle at full lockThe turn-off light will be introduced for the first time with the launch ofthe E92 and represents an expansion of the functions of the adaptiveheadlight.Together with the adaptive headlight,the turn-23、off lightilluminates the area in front of and beside the vehicle.The turn-off light makes it possible to determine persons or trafficsituations earlier when turning off.This function represents aconsiderable increase in safety for the driver and other road users.797.In the illustration,mark the area24、 that is illuminated by the turn-off light in thissituation.8.Is the turn-off light ON or OFF in the illustration?4Turn-off light ON4Turn-off light OFF89Interior lighting9.How does the E90 interior lights package differ from that of the E92?4By the courtesy lighting4By the front footwell lights4By t25、he rear footwell lights4By the door lighting4By the C-pillar lighting10.How is the ambient door lighting realized?4By dimmed bulbs4By an LED band4By notches in a fibre optic conductor4By several LEDsThe interior lights package of the E92 has been expanded by twofunctions.TheE92has tworearcompartment26、footwelllightsthatfacilitate entryinthe rear compartment.The E92 also features ambient linear lighting in the doors and side trimpanels.The door and side trim panels are illuminated by means of fibre opticcables indirectly from the prominence strip.9911.Mark the new components of the interior lighti27、ng system in the circuit diagram.109Electrically adjustable seat with rear compartment easy-entry1.How is the rear compartment easy-entry facility realized on the electricallyoperated seat?4The seat backrest is folded down electrically4The seat automatically moves forward when the door is opened4Sea28、t forward/backward adjustment takes place at double the speed4Seat forward/backward adjustment takes place mechanically2.How is the position detected prior to seat adjustment?4By means of microswitches4By means of an end position switch4By means of a Hall sensor4By means of a mechanical stop3.Where 29、is detection of seat position evaluated?4In the adjustment motor4In the centre console switch cluster4In the driver s seat module4In the passenger s seat moduleTheelectricallyadjustableseatsinstalledintheE92areequippedwitha rear compartment easy-entry function to facilitate entry in the rearcompartm30、ent.For this purpose,an adjustment switch is provided on the upper endof the backrest in order to move the seat forward and backward atdouble the speed via the seat forward/backward adjustment function.Bymechanicallyreleasingtheseatbackrest,itcanbeadditionallytiltedforward to create sufficient space31、 for convenient entry.119Seat belt extender4.What conditions must be met in order to extend the drivers seat belt extender?4Door opened,terminal R ON4Door opened,terminal 15 ON,engine running4Door closed,terminal R ON4Door closed,terminal R ON,seat belt fastened5.Which control unit contains the mast32、er function of the seat belt extender?4Junction box4Footwell module4Airbag control unit4Controller for seat belt extender6.Howisthebusconnectionofthecontrollersfortheseatbeltextendersrealized?4Via the K-CAN4Via the PT-CAN4Via the F-CAN4Via the LIN-bus4Via the K-bus7.How is the seat belt extender ini33、tialized?4By adding the Hall pulses during extension4By adding the Hall pulses during retraction4By reaching the end position sensor during extension4By reaching the end position sensor during retractionDue to its design,the E92 Coup has larger doors and the B-pillar withthereversalpointfortheseatbe34、ltispositionedfurtherback.Thismakesthe seat belt difficult to reach for the driver or front passenger.An electric seat belt extender is fitted on the E92 that extends the seatbelt from its rest position on the B-pillar by approx.25 cm in thedirection of the driver or passenger.This makes it consider35、ably easierand more convenient for the driver and front passenger to fasten theseat belt.1298.Draw the bus connection of the controllers for the seat belt extenders in thecircuit diagram.Dieser Text muss hier stehen,damit die Seite vom API-Client nicht gelscht wird.Dieser Text ist notwendig,damit die Seite nicht quergestellt wird.!BMW ServiceAftersales Training80788 MnchenFax.+49 89 382-34450: