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BMW E46 Convertible 2000, Manual, Page: 18 / 48

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BMW E46 Convertible 2000 Manual Download Page 18

18

E46iCCVM/ST039/3/21/00

Hard Top Lock Hall Sensor

The hard top installed hall sensor is positioned on the left hard top lock.  It receives power
and ground from the CVM and provides a high signal input when the hard top is installed
on the vehicle.  The connector on the top of the lock is used as the power and ground sup-
ply for the rear window defroster of the hard top.

The CVM uses the input signal of the hall sensor to lock out soft top operation while the
hard top is installed.

54E46CVM1400

ART-MV563

HRDTPLCK.CVM

Summary of Contents for E46 Convertible 2000

Page 1: ...c Solenoids 9 Storage Cover Motor 10 Windshield Frame Lock Assembly 11 Top Switch 12 Hall Sensors 13 Angle Hall Sensors 19 Compartment Floor Micro Switch 20 I P O 22 System Operation 23 Emergency Oper...

Page 2: ...ed between the CVM ll and the GM V Identify and describe electro hydraulic components used in the Convertible top Describe the information that is exchanged between the CVM II and the GM V Describe th...

Page 3: ...ion when lowering or raising the soft top Convertible top features Electro hydraulic operation Comfort opening using FZV key or door lock cylinder Comfort closing using only the door lock cylinder No...

Page 4: ...as on the E36iC The convertible top consists of three layers T Th he e o ou ut te er r lla ay ye er r is fabric with a non replaceable glass rear window A A m miid dd dlle e fleece lliin ne er r is i...

Page 5: ...mplete top operation The CVM II communicates with the GM over the K Bus for opera tion of the top storage cover and windows Operation of the hydraulic cylinders is controlled via final stages and sole...

Page 6: ...emperature sensor on the hydraulic unit will signal the top module to cease operation if the fluid temperature exceeds 950 C Any function started will be completed before the sys tem is switched off I...

Page 7: ...f the cover Cylinder Removed Cylinder Installed Tension Bow Two hydraulic cylinders are positioned on the left and right sides of the tension bow on the top frame linkage for raising and lowering the...

Page 8: ...r is used to detect the posi tioning of the main top linkage The hydraulic lines for the right side main pillar cylinder are routed under the top fabric along the tension bow Two gas filled piston str...

Page 9: ...when the key is switched off The drain solenoid also holds sys tem pressure when the top switch is released during operation Three hydraulic solenoids are mounted on the valve block on the left side o...

Page 10: ...position of the storage cover During the soft top operation when the tension bow is raised or when the top is in the stor age compartment the CVM signals the GM over the K Bus to unlock the storage c...

Page 11: ...redesigned for smoother operation however they still are responsible for unlocking the top from the windshield and raising the front of the top past the tension point Flexible drive shafts are used a...

Page 12: ...pro vide a ground input signal to the CVM for top operation Two LEDs are positioned in the center of the switch The top LED will flash whenever the top is in operation and not locked to the windshield...

Page 13: ...ng during operation Hall sensors Cowl Lock hall sensor Tension Point hall sensor Two Storage Compartment Cover Locks hall sensors Storage Compartment Cover hall sensor Storage Compartment Cover Motor...

Page 14: ...frame raised past the ten sion point input As the slide assembly on the worm gear moves it covers and uncovers the hall sensors to cause the high low switching to take place The cowl switch input prov...

Page 15: ...eive power and ground from the CVM Each switch input provides a high signal when the cover is unlocked and the cover is raised by the hydraulic cylinders far enough to clear the latches When the stora...

Page 16: ...h signal input when the storage cover is fully open The CVM uses the signal from the switch for top cover positioning and switching operation during soft top lowering and raising The CVM uses this inp...

Page 17: ...neral module and provides a high signal input when the motor has unlocked or locked the storage cover The GM uses this input to switch the unlock motor OFF Additionally the GM will electrical ly lock...

Page 18: ...m the CVM and provides a high signal input when the hard top is installed on the vehicle The connector on the top of the lock is used as the power and ground sup ply for the rear window defroster of t...

Page 19: ...receives power 5 volts and ground from the CVM It provides a linear voltage signal input from approximately 0 5 to 3 5 volts as the tension bow moves from a vertical to horizontal position The CVM us...

Page 20: ...cylinder The angle sensor receives power 5 volts and ground from the CVM It provides a linear voltage signal input from approximately 0 5 to 3 5 volts as the top frame is lowered into and raised out...

Page 21: ...nstalled on the hinge of the compartment floor on the right side It provides a high low input signal to the CVM based on the posi tion of the compartment floor When the floor is in the raised position...

Page 22: ...22 E46iCCVM ST039 3 21 00 CVM I P O ART E46ICEHYDD EPS...

Page 23: ...aised No hard top installed with top lowered In addition there must be no faults present at any of the switch inputs or outputs Top Lowering Sequence Top Switch Pressed Open CVM activates the top lock...

Page 24: ...cover unlocked signal from motor hall sensor storage cover lock motor is switched off CVM receives status of cover lock from GM over K bus switches storage cover sole noid Storage cover raised to its...

Page 25: ...motor hall sensor CVM switches off hydraulics and LED signal from cover lock motor hall sensor Top Raising Sequence Top Switch Pressed Closed Windows are lowered if closed CVM to GM Storage compartme...

Page 26: ...The main pillar solenoid is switched to drain to lower the top frame into the storage compartment The solenoid is switched to pressure to raise the top frame out of the storage compartment The greate...

Page 27: ...27 E46iCCVM ST039 3 21 00 Hydraulic System Operation ART E46ICCVM EPS ART E46IC E HYD EPS...

Page 28: ...ng the seat uphol stery below the ski bag Pressing the button on the motor assembly will release the motor from the gear linkage The linkage assembly can then be turned through the access hole in the...

Page 29: ...ut of the storage compartment The signal from the main pillar angle sensor indicates that the top is fully lowered in the storage compartment Safety in the Intermediate Positions All movements of the...

Page 30: ...the location and type of fault it may be possible to raise or lower the top fully by pressing the switch in the opposite direction from which the fault occurred If the top switch is held 20 seconds af...

Page 31: ...y consists of the following components General Module Switch assembly Storage Cover Motor assembly with hall sensor and bowden cables Two Storage Cover Locks with a hall sensor Variable Top Storage Co...

Page 32: ...Micro Switch KL30 Trunk Lock Hall Sensor Storage Cover Hall Sensor Cover MTR Storage Lock Motor KL 5 8 G Top Switch KL30 GM V M Ma an nu ua all T To op p S St to or ra ag ge e C Co ov ve er r O Op pe...

Page 33: ...inum with a finished fabric upholstery on the inside Roof rack mounting points are integrated into the top on the left and right sides The hard top attaches to the vehicle at four places Two hard top...

Page 34: ...connector on the left side contains two separate strips one for power supply to the rear defogger and the other for power supply to the interior lights The connector on the right side contains two sep...

Page 35: ...oved prior to removing the top assembly The hard top lock post and storage cover locks must be removed from the top frame assembly The cover locks are connected to the unlock motor through a bowden ca...

Page 36: ...e before removing the top assem bly There are three connectors on each side of the top assembly in front of the top stor age compartment The main wiring harness 18 Pin ELO from the CVM to the top fram...

Page 37: ...brackets the brackets have elon gated holes for adjustment of the cover to the body The height of the rear of the storage compartment cover is adjusted at the mounting brack ets for the hydraulic cyl...

Page 38: ...unted through elongated holes for alignment of the brackets to the cover latches The front of the storage compartment cover s height is adjusted by adjusting the bowden cable length at the storage cov...

Page 39: ...olled by which module 4 Which hall sensors control the flashing of the LED in the top switch 5 What happens to the soft top frame if the ignition is switched off during its operation 6 Describe the em...

Page 40: ...odule After completing this module you should be able to Identify all components of the Roll Over Protection System Describe the operation of the Clinometer sensor to deploy the Roll Over bars Describ...

Page 41: ...reinforcing tube integrated in the windshield frame RPS ensures that all the rear passengers are provided with necessary head clearance should th e car roll over The system is similar to the roll ove...

Page 42: ...racted they are covered by the rear head rest which incorporate a flap at the back that will open when the roll bars deploy A new resetting procedure is incorporated to retract the bar after deploymen...

Page 43: ...M ST039 3 21 00 Roll Over Bar Cassettes A newly designed solenoid mounted in the bottom of the cassette holds the bars in the retracted position until triggered by the roll over sensor for deployment...

Page 44: ...capacitors are also installed for roll bar deployment in the event of a power failure with the system during an a crash The sensor is connected to the diagnostic link for troubleshooting purposes The...

Page 45: ...is of the vehicle The third float is posi tioned at an angle of 72 degrees to the longitudinal axis LED transmitters and phototran sistor receivers are positioned to read the air bubble float as it mo...

Page 46: ...ot have enough tension to overcome the weight of the magnet and gravity However if the vehicle becomes airborne and weightlessness occurs the spring will force the magnet up and the reed contact will...

Page 47: ...nsor are checked including the output stages for roll bar triggering If a fault is detected the warning lamp in the cluster is illuminated and the fault is stored in the mem ory of the convertible top...

Page 48: ...ensor in the RPS system ___________________________________________________ ___________________________________________________ ___________________________________________________ ____________________...

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