ACTi E46 Bedienungsanleitung

Table of ContentsE46 CENTRAL BODY ELECTRONICSSubject PageZKE V Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10E46 Central Body ElectronicsSPORT WAGON REAR WIPER/WASH SYSTEMOperationOperation of the rear wiper/washer is controlled from the wiper stalk switch

11E46 Central Body ElectronicsSPORT WAGON REAR WIPER/WASHER I P O BACK-UP LIGHTS RELAY OR SWITCH

12E46 Central Body ElectronicsAIC (RAIN SENSOR)The Windshield Wiping System will also be available with an optionally equipped RainSensor.

13E46 Central Body ElectronicsTHEORY OF OPERATION:The optical infra red portion of the sensor operates by the principle of refraction (bendingof a lig

14E46 Central Body ElectronicsRAIN SENSOR FUNCTION:The rain sensor is online as soon as it receives KL R operating power. • When the windshield wip

15E46 Central Body ElectronicsRAIN SENSOR CONTROL MODULE ADAPTATIONThe rain sensor control module adapts to the optics system environment as follows:W

16E46 Central Body ElectronicsCENTRAL LOCKINGSYSTEM FEATURES:• The Central Locking system of ZKE V controls the door lock, trunk lock and Fuel FillerF

17E46 Central Body Electronics• The central locking switch is housed in a combined housing with the hazard flasherswitch. Locking the ve

18E46 Central Body ElectronicsE46 Convertible Central LockingThe glove box is integrated into the scope of the central locking system on the E46iC. An

19E46 Central Body ElectronicsE46 Sport Wagon Central LockingTailgate and Window Locking SystemThe tailgate can be opened from any of three input sign

E46 CENTRAL BODY ELECTRONICSModel: E46 (all models)Production: From 6/982E46 Central Body ElectronicsObjectivesAfter completing this module you should

20E46 Central Body ElectronicsDRIVERS DOOR LOCK ACTUATORThe driver’s door lock providesthe following familiar signals tothe General Module:• Lock / Un

21E46 Central Body ElectronicsThere are two motors incorporated in each actuator that provide two separate functions:• Single lock/unlock function.

22E46 Central Body ElectronicsDOOR CONTACT HALL SENSORAlso included in the drivers door actuator is a third hall effect sensor. This sensor signalsth

LOCK ACTUATOR CONTROLAll door lock actuators and the fuel filler flap actuator are controlled directly by the GM viafour internal load relays. T

24E46 Central Body ElectronicsTRUNK LID SWITCH CONTACTSThe trunk lid position (open/closed) and trunk lock key positions are input signals to the GM V

25E46 Central Body ElectronicsCENTRAL LOCKING BUTTONThe central lock button in the center consoleprovides a momentary ground input signal to th

26E46 Central Body ElectronicsREMOTE RF (KEY LESS) ENTRY• The remote key receiver is part of the antenna amplifier and is installed in the left “C”pi

27E46 Central Body ElectronicsFeatures of the key less entry system include:• Locking/unlocking of doors, trunk,fuel filler lid.• Selective unlock

28E46 Central Body ElectronicsREMOTE KEY INITIALIZATIONThe initialization of the FZV keys is required to establish the Lock/Unlock signals

29E46 Central Body ElectronicsLED STATUSThe following functions can be checked with the LED:• Flashing LED when pressing a button. Indicates th

3E46 Central Body ElectronicsZKE V INTRODUCTIONZKE V is the Central Body Electronics system installed in the E46. Many of it’s featuresand functions

MODEL YEAR 2000 FZV KEYVisual Changes:• New appearance with blue and white BMW roundel. • New button arrangement (larger buttons) with sequential oper

REMOTE KEY INITIALIZATIONThe initialization of the FZV keys is required to establish the Lock/Unlock signalsynchronization with the GM.

FZV KEY RECHARGEABLE BATTERY From KL R, the battery inside the key head is charged inductively by the EWS ring antennavia a coil antenna integrated

ZKE - 2733E46 Central Body Electronics

POWER WINDOWS ( Sedan, Coupe and Sport Wagon)Features of the Power Window system:• Control of the front and rear door window motors is carried out dir

35E46 Central Body ElectronicsGM V

36E46 Central Body ElectronicsPOWER WINDOWS (Convertible)Power window operation for the Convertible is slightly with the addition of the central power

37E46 Central Body ElectronicsCOMPONENTSNEW STYLE WINDOW SWITCHESThe E46 power window switch design is a new push - pull type switch.

38E46 Central Body ElectronicsSERVICE NOTE:Switch block removal from the consolehas changed on the E46. The console trim must be removedfrom the

39E46 Central Body ElectronicsWINDOW ANTI-TRAP DETECTION( Sedan, Coupe and Sport Wagon)The window anti-trap detection feature is only active i

4E46 Central Body ElectronicsThe E46 Body Electronics system control modules are:• General Module V: main controller for ZKE functions. The GM V comm

40E46 Central Body ElectronicsSUNROOFThe E46 optional sunroof is mechanically similar to previous systems. All of the electroniccontrols and relays a

41E46 Central Body ElectronicsSUNROOF MOTOR/MODULE (SHD)The combined motor module has a 13 pinconnector for interfacing the switch, andveh

42E46 Central Body ElectronicsSHD SELF DIAGNOSISThe SHD monitors its operation and stores fault codes if a defect is determined: The SHDmonitors the

43E46 Central Body ElectronicsINTERIOR LIGHTINGThe GM controls the interior lighting automatically with the status change of severalmonito

44E46 Central Body ElectronicsINTERIOR LIGHT UNIT ASSEMBLIESFront seat interior/map light unit:The overhead front seat interior lightunit contains a

<#>E46 Central Body ElectronicsAUTOMATIC CONTROL FUNCTIONThe GM provides 12 volts (linear application providing soft on feature) to the interior

46E46 Central Body ElectronicsANTI-THEFT (DWA) SYSTEM (BMW Center installed accessory)All E46 vehicles are factory prepared (prewired and GM programme

47E46 Central Body ElectronicsCOMPONENTSDOOR CONTACTSAs mentioned in the Central Locking Section, the door lock contact hall effect senso

48E46 Central Body ElectronicsHOOD CONTACT SWITCHLocated on the right side enginecompartment, the hood contact switchprovides a ground sig

49E46 Central Body ElectronicsTILT SENSORLocated in the right trunk areaabove the battery, the tilt sensor isan electronic sensing device withthe

5E46 Central Body ElectronicsPOWER DISTRIBUTIONThe maintenance free battery is connected to the power distribution system by the BatterySafety Termina

50E46 Central Body ElectronicsINTERIOR PROTECTION (UIS)The E46 uses an interior protection sensor known as UIS. Similar to the FIS previousl

51E46 Central Body ElectronicsALARM SIRENThe siren from the DWA accessory kit isinstalled in the vehicle cowl on thepassenger side of the ve

52E46 Central Body ElectronicsDWA ARMING/DISARMING• The DWA is armed every time the vehicle is locked from the outside with the door lockcylinder or F

53E46 Central Body ElectronicsALARM INDICATIONWhen the alarm is triggered, the siren will sound for 30 seconds. At the same time the lowbeam headlight

54E46 Central Body ElectronicsDRIVER’S SEAT= SEAT MEMORY CONTROL MODULE (SM)• In addition to the position switches, the SM also contains the memory po

55E46 Central Body ElectronicsPASSENGER’S SEAT (without memory)• The passenger seat control switch is purely a mechanical switching module that activa

56E46 Central Body ElectronicsSEAT POSITION MOTORSThere are either 3 or 4 electric motors in the front seats depending on the seat model. The motors

57E46 Central Body ElectronicsSEAT MOTOR ACTIVATIONDRIVER’S SEAT ADJUSTMENTWhen a position switchis moved, the controlelectronics of the SMreceives a

58E46 Central Body ElectronicsDRIVER’S SEAT MEMORY FUNCTIONAs with previous systems, the seat memory feature of the SM stores three seat positionsfor

59E46 Central Body ElectronicsDRIVER’S SEAT MEMORY (CAR Memory Influence)The SM can be encoded to recall a specific seat position for a vehicle user w

6E46 Central Body ElectronicsGLOVE BOX MOUNTED FUSE PANELThe power distribution center of the E46 islocated in the glove box. The fuse panel isaccess

60E46 Central Body ElectronicsE46 CONVERTIBLE FRONT SEATSPurpose of the System:The front seats of the E46iC are designed in such a way that all forces

61E46 Central Body ElectronicsSeat Belt AssemblyThe fixed anchor point and seat belt tensioner are mounted on the seat frame. The upperdeflection poin

62E46 Central Body ElectronicsComfort Entry AidThe switch for the comfort entry aid feature is positioned at the top of the seat back. Theswitch provi

63E46 Central Body ElectronicsE46 CONVERTIBLE SEAT MEMORY SYSTEMPurpose of the System:The seat memory system uses two control modules on each front

64E46 Central Body ElectronicsMEMORY SEAT I P OComfortEntry* Sport Seats only

65E46 Central Body ElectronicsPASSENGER’S SEAT MEMORY IPOThe passenger’s front seat incorporates a control module for seat adjustment and the entryai

66E46 Central Body ElectronicsCOMPONENT LOCATIONS:The memory control module for the seat ismounted under the seat base on the seatframe.

67E46 Central Body ElectronicsCOMPONENT LOCATIONS:The backrest adjustment motor is mounted on the lower edge of the backrest frame.The headrest adjust

68E46 Central Body ElectronicsMIRROR MEMORY SYSTEMPurpose of the System:The function of the mirror memory system is to:• Memorize mirror positions,• A

69E46 Central Body ElectronicsSystem Operation:Each mirror module is responsible for mirror adjustment, storage of the mirror positions andmirror heat

7E46 Central Body ElectronicsWINDSHIELD WIPING/WASHING• All wiping/washing functions arecontrolled by the GM.• The E46 Windshield Wiping System maybe

70E46 Central Body ElectronicsOPTIONAL SEAT HEATING (1999 M.Y.)The optionally equipped E46 Seat Heating feature is similar to previous systems with tw

71E46 Central Body ElectronicsIf the battery voltage drops below 11.4 volts, the seat heating switch cuts the power supplyto the heating pads but

CENTER CONSOLE SWITCH CENTER (SZM)OVERVIEWFrom 2000 Model Year, E46 vehicles areequipped with a new Center Console SwitchCenter (SZM).The SZM di

SZM MONITORING OF SEAT HEATING Battery Voltage: The SZM switches current supply to the heating elements off when bat-tery voltage drops below 11.4

SZM IPO SCHEMATIC74E46 Central Body ElectronicsKL 31 (GROUND)KL 31 (GROUND)DISDISBMW DISBMWDISBMW DISBMWDISDiagnose-andInformationSystemDIS &MoDiC

75E46 Central Body ElectronicsOPTIONAL SEAT BACK LUMBAR SUPPORTThe optional air bladder lumbar support system is similar to the E38/E39 co

76E46 Central Body ElectronicsDUAL POWER/HEATED OUTSIDE MIRRORS(Sedans produced prior to 9/99 or vehicles equipped with manual seats)The E46 is equ

77E46 Central Body ElectronicsCONSUMER CUT OFFThe interior lights are connected to the consumer cut off circuit. These consumers areconne

78E46 Central Body ElectronicsBATTERY STATUSThe GM monitors KL R on a dedicated circuit. If the ignition is switched on and detectedvia the KL R circ

Review Questions1. List the functions directly controlled by the GM V. 2. How does the GM V communicate with other control modules?3. What effect doe

8E46 Central Body ElectronicsWINDSHIELD WASHING: Pulling the Windshield Wiper Switch rearward closes the“windshield wash” contacts and pro

9. Describe what happens when the GM V receives the crash signal from the MRS.10.Why does the SHD (sunroof) module require initialization but the wind

9E46 Central Body ElectronicsSPORT WAGON REAR WIPER/WASH SYSTEMThe rear wiper/washer is a function of the ZKE system. The rear wiper motor