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Workshop Exercise- Sequence of operation

E93 Complete Vehicle Workbook

Operate the RHT using the center console switch and note the status of the LED’s in the switch. Interrupt the RHT during opera-

tion to see how the LED’s are affected.
Next, attempt to operate the RHT with one or more of the preconditions in the incorrect state (i.e. luggage compartment divider up

or trunk open etc.) The note the CC messages and icons which appear.

What type of sensor/switch senses the position of the luggage compartment divider?

If the vehicle does not have CCC, how is the driver warned of improper operation?

Using the actual vehicle as a guide, operate the top through the opening and closing operations. Note the sequence and

complete the exercise below by numbering the illustrations below in the correct order starting with the top open.

Содержание 3-series convertible

Страница 1: ...em 14 Glove Compartment Locking 14 Opening Glove Compartment 14 Closing Glove Compartment 14 Locking Glove Compartment 14 Emergency Release of Glove Compartment 14 Locking Function of Center Console 16 Emergency Release 16 Anti theft Alarm System 18 Power Seats with Easy Entry Function 20 Changes to Control Modules 22 Junction Box 23 Footwell Module 23 Car Access System CAS3 23 Power Windows 23 E9...

Страница 2: ...ity 30 Antenna Diagnosis 32 Radio Interference 33 Antennas for Digital Receivers 36 Antennas for Telephone and Telematic 36 Telephone Antenna 36 Telematics Antenna 36 SOS Antenna 37 Bluetooth Antenna 37 GPS Antenna 37 Arrangement and Location of IKT Components 38 Passive Safety Systems 40 Advanced Crash and Safety Management 41 System Components 43 Crash Safety Module 43 ROC Control Unit 44 Airbag...

Страница 3: ...e Operation 58 Convenience Loading and Unloading 59 Soft Close Automatic SCA 60 Opening the Boot Lid 60 Closing the Boot Lid 60 Non repeat Lock 60 Mechanical Components 62 Roof Module 64 Rear module 65 Water Management 66 Drive for Hardtop Locking 68 Locking Sequence 69 Locking of the roof shells in the luggage compartment 69 Electrical Components 72 Convertible Top Module 72 Microswitch and Hall ...

Страница 4: ...Table of Contents Subject Page Closure Cylinders 86 Roof Panel Cylinders 88 Main Pillar Cylinders 89 Rear Module Cylinders 89 ...

Страница 5: ...Table of Contents Subject Page BLANK PAGE ...

Страница 6: ...t of Production After completion of this module you will be able to Understand the changes to the E93 electrical and entertainment systems Diagnose and service systems on the E93 Understand the operation of the RHT Locate and identify components of the RHT Diagnose and service the E93 RHT ...

Страница 7: ...o the trunk As far as vehicle dimensions are concerned the E93 is longer wider taller and has a longer wheelbase The E93 is also heavier than the E46 but maintains the same sporty characteristic as it s predecessor Dimensions Weights E93 E46 Difference Length 4 580 mm 4 488 mm 92 mm Width 1 782 mm 1 757 mm 25 mm Height 1 384 mm 1 374 mm 10 mm Wheelbase 2 810 mm 2 775 mm 35 mm Weight 1 655 kg 1 565...

Страница 8: ...teels There is an intelligent mix of materials to provide the lightest possible weight with the best possible strength The color illustrations above demonstrate the distribution of the materials For more information refer to the E93 complete vehicle reference material in TIS and ICP The design of the E93 also allows for an increase in torsional rigidity over the E46 iC The chart at the right illus...

Страница 9: ... Strut in rollover protection system The cross section of the sill has been additionally increased as compared to the E92 E93 Complete Vehicle Workbook 9 Index Explanation Index Explanation 1 Diagonal strut engine compartment 5 Underbody strut rear 2 Front axle subframe struts 6 Strut in rollover protection 3 Spring shock tower strut 7 Tension strut 4 Sill Note Do not attempt to drive an E93 with ...

Страница 10: ...10 E93 Complete Vehicle Workbook E93 Electronic Systems ...

Страница 11: ...ions What has changed on the LIN bus And Why Has anything changed in the diagnostic connection What three modules are connected to the K bus What new modules are on the MOST bus What has changed regarding the wiring of the SINE and FZD Which bus connects the microwave sensors to the SINE E93 Complete Vehicle Workbook 11 ...

Страница 12: ...tor light The E93 Convertible is equipped as standard with the daytime driving light function that is realized by the corona rings The E93 Convertible also features the welcome light function The headlight assistant is optionally available Important note on tail lights Interior Lighting The interior lighting system of the E93 Convertible was adopted from the E92 with ambient interior lighting in t...

Страница 13: ...t front left 20 Rear compartment footwell light right 7 Power distribution box junction box 21 Luggage compartment light rear right 8 Footwell light front right 22 Interior button for boot lid 9 Junction box electronics 23 Luggage compartment light rear left 10 Fiber optic cable for right door linear lighting 24 Side panel linear lighting left 11 Courtesy lighting right 25 Rear compartment footwel...

Страница 14: ...ng Opening Glove Compartment The opener is raised slightly to open the glove compartment A microswitch sends a signal to the junction box which in turn activates an actuator motor in the glove compartment The actuator motor with the gear mechanism pulls back the two locking rods so that the glove compartment lid can be opened The power supply to the actuator motor is cut after a short time and the...

Страница 15: ... Index Explanation Index Explanation 1 Hotel switch 5 Knee airbag front passenger 2 Microswitch open 6 Unlocking motor with actuating cam 3 Lock with emergency release 7 Glove compartment housing 4 Locking rod left 8 Locking rod right ...

Страница 16: ...f a pull cable in the event of the battery discharging or being defective For this purpose the cover must be removed from the rear compartment air outlet followed by removal of the air outlet The storage compartment can then be released by pulling the loop of the pull cable The central locking system has been adapted to the specific requirements of the Convertible The glove compartment and the sto...

Страница 17: ...e 3 Central lock button 4 Junction box 5 Glove compartment actuator motor 6 Hotel switch 7 Passenger s door with actuator and door contact 8 Actuator for fuel filler flap 9 Comfort access control unit 10 Trunk lid button 11 Trunk lid lock 12 Trunk lid actuator 13 Center console actuator 14 Interior rear view mirror with remote control receiver 15 Car Access System CAS ...

Страница 18: ...nitoring of the vehicle interior also when the convertible top is down The microwave sensors have a semicircular radiation characteristic By strategic placement in the vehicle the entire interior can be monitored without the microwave sensors radiating outside the vehicle Four microwave sensors are used on the E93 Convertible for the purpose of monitoring the interior The microwave sensors are con...

Страница 19: ...rror with remote control receiver and DWA LED 4 Junction box 5 Passenger s door contact 6 Microwave sensor front right 7 Microwave sensor rear right 8 Siren with tilt alarm sensor 9 Boot lid contact right 10 Boot lid contact left 11 Microwave sensor rear left 12 Microwave sensor front left 13 Driver s door contact 14 Footwell module FRM ...

Страница 20: ...nt motor The seat moves back and assumes the previous position The previous position is also determined by means of a Hall sensor on the seat forward backward adjustment motor The signals from the Hall sensors are read into the driver or passenger seat module and correspondingly evaluated The front passenger seat module has no memory function A new feature of the seat in the Convertible is the int...

Страница 21: ...E93 Complete Vehicle Workbook 21 NOTES PAGE ...

Страница 22: ...o chromic interior rear view mirror and transmission of values on the K CAN Connection of rain lights sensor via LIN Gateway function LIN K CAN Connection of the condensation sensor and transmission on the K CAN Emergency call button Passenger airbag OFF light The following functions have been dropped Connection of interior lights at rear Ultrasonic interior movement detector Operation and actuati...

Страница 23: ...ended travel range function of the power windows is activated when the retractable hardtop is lowered All side windows are lowered almost fully dur ing this operation to ensure smooth opening Car Access System CAS3 The comfort functions of the retractable hardtop have been added to the car access system Power Windows The E93 Convertible is equipped as standard with power windows at the front and r...

Страница 24: ...on A new pairing assistant for linking the Bluetooth telephone to the vehicle is pro vided under the Bluetooth menu item Favorites Button for CCC MASK Eight additional favorites button have been added to the two options navigation system Business with MASK and navigation system Professional CCC The following functions can be stored under the favorites buttons for quick access Radio stations Naviga...

Страница 25: ... Workbook 25 Index Explanation Index Explanation 1 Slot in DVD player 5 Eject button CD player 2 Favorites buttons 6 Rocker switch for station selection CD 3 Rotary push button 7 Eject button DVD player 4 Slot in CD player ...

Страница 26: ...USB audio interface for USB storage media The USB audio interface can be ordered through the option 6FL The USB interface is located in the next to the 3 5 mm audio jack AUX IN Audio files stored on USB mass storage media can be played in the vehicle via the USB audio interface USB mass storage media that support one of the following standards be connected USB Mass Storage Class Apple iPod as from...

Страница 27: ... At the rear of the console under the AC outlet Under the front ash tray Under the shifter boot There is no emergency release 4 The alarm system on the E93 monitors the interior using circle the correct answer Ultrasonic sensors Flux capacitors Microwave sensors Infrared sensors 5 The back rests of the front seats on the E93 are monitored by circle the correct answer a Hall sensor a Microswitch an...

Страница 28: ... antenna diversity function are used for radio reception in the E93 Convertible Different antennas are used when the hardtop is closed or lowered When closed the AM FM1and FM3 antennas in the rear window are used as in a Coupe The antenna amplifier and the rejector circuit for the rear window defogger are located on the left C pillar There is only a rejector circuit on the right hand C pillar The ...

Страница 29: ...son a further AM and FM1 antenna is located in the left side trim panel at the rear FM3 Antenna right The FM3 antenna is located in the right side trim panel at the rear Each antenna has its own antenna amplifier A total of four antenna amplifiers are installed The received and amplified signal RF signal is then sent to the FM antenna diversity module on the rear left in the luggage compartment E9...

Страница 30: ...om the antenna diversity module via a coaxial cable to the tuner for the radio or navigation system The signal is demodulated in the tuner and output via the speakers as an audio signal The radio or navigation system detects whether a diversity module is installed and generates the changeover voltage Us necessary for diversity operation and the intermediate frequency signal IF The IF is evaluated ...

Страница 31: ...Index Explanation 1 FM2 and FM4 antenna input 5 RF signals rear window 2 Power supply for external antenna amplifiers and input KL30g 6 RF signal of FM3 3 Signal from CTM and Radio ON 7 RF signal of AM FM1 4 RF signal for radio navigation 8 Changeover voltage diagnosis ...

Страница 32: ...lso be performed manually through service mode of the CCC and M ASK The signal quality and field strength of the station currently tuned in can be indicated in service mode Service mode is accessed as follows Select start menu Press and hold controller for at least 10 s Turn controller 3 notches to the right Turn controller 3 notches to the left Turn controller 1 notch to the right Turn controller...

Страница 33: ...M stations Ground connection of rear lid via read lid hinge with integrated ground straps Ground connection of hinges on left and right of body Low noise AM and FM antenna amplifiers with direct ground screw connection E93 Complete Vehicle Workbook 33 Operating Mode Remark Us min Us typical Us max FM1 AM AM reception diversity off 0 V 0 5 V due to ground offset DIV Diversity mode 1 5 V 2 5 V 3 5 V...

Страница 34: ...3 CCC 4 Junction box 5 Rejector circuit negative 6 FM3 antenna with amplifier in right hand shoulder trim 7 Comfort Access 8 Convertible Top Module 9 FM2 antenna in bumper 10 FM4 antenna in bumper 11 FM antenna diversity module 12 AM FM1 antenna with amplifier in left hand shoulder trim 13 AM FM antenna amplifier in rear window 14 Rejector circuit positive ...

Страница 35: ...in right hand shoulder trim 5 Convertible Top Module 6 FM2 antenna in bumper 7 SDARS antenna on rear lid 8 SDARS receiver satellite tuner 9 IBOC receiver digital radio tuner 10 FM4 antenna in bumper 11 FM antenna diversity module 12 AM FM1 antenna with amplifier in left hand shoulder trim 13 AM FM antenna amplifier in rear window 14 Rejector circuit positive ...

Страница 36: ...enna SOS antenna GPS antenna Bluetooth antenna for internal communication Telephone Antenna The telephone antenna is located under the side panel on the front left This position is possible as the side panels on the E93 Convertible are made of plastic The telephone antenna is routed directly to the eject box in the center console Telematics Antenna The telematics antenna 1 is located on the rear b...

Страница 37: ...he telematics function for the pur pose of automatic emergency call with location On vehicles with MASK CCC navigation system the GPS antenna is routed directly to the navigation computer The TCU receives the position data via the MOST The GPS antenna is connected directly to the TCU on vehicles with no navigation system but with radio Professional and telemat ics functions In this case the TCU de...

Страница 38: ...Location of IKT Components 38 E93 Complete Vehicle Workbook Index Explanation 1 Telematics control unit TCU 2 IBOC tuner HD radio 3 HiFi or Top HiFi amplifier 4 CD changer 5 Auxiliary fan for SDARS tuner 6 SDARS tuner ...

Страница 39: ...E93 Complete Vehicle Workbook 39 NOTES PAGE ...

Страница 40: ...ble in order to be able to absorb the forces in the event of a side crash and to direct them to the opposite side of the impact The roof frame in the area of the windshield has been reinforced and forms the rollover protection system together with the roll bars integrated in the partition module In the event of a crash in which the vehicle rolls over the roll bars extend in milliseconds and togeth...

Страница 41: ...he crash safety module the transverse acceleration sensors serve to detect side on crashes Door pressure sensors are additionally installed in the front doors for the purpose of detecting side crashes The acceleration sensors measure the positive acceleration and the negative acceleration deceleration in the X and Y directions The resultant from the X and Y signals is the definitive factor in dete...

Страница 42: ...ag 14 Battery 3 Front passenger airbag 15 Safety battery terminal 4 Up front sensor right 16 Actuator right roll bar 5 Junction box 17 Rollover controller 6 Knee airbag passenger s side 18 Actuator left roll bar 7 CAS 3 19 B pillar satellite 8 Crash Safety Module ACSM 2 20 Seat belt pre tensioner and seat belt buckle switch driver s side 9 Door pressure sensor passenger s side 21 Side airbag drive...

Страница 43: ...erminal Rollbar left right Warning lights Airbag warning light AWL Seat belt mannikin Passenger Airbag OFF lamp Crash Safety Module The crash safety module is located centrally on the transmission tunnel in the vehicle The crash safety module consists of a diecast housing with integrated plug cover The crash safety module contains two acceleration sensors offset at an angle of 90 These acceleratio...

Страница 44: ...ted in the backrest of the SGS seat The side airbags have a larger volume compared to the airbags previously used The side airbag develops between the seat and door in the event of side impact of sufficient severity Due to the increased volume the occupant s thorax and head are additionally protected Design features of the E93 Convertible include the pronounced inclination of the windshield with t...

Страница 45: ...car is set into the roll All these vehicle movements can also occur after a front end side on or rear end crash The rollover protection system consists of two extendable rollbars which are housed in the partition module behind the two rear seats Rollover Detection The E93 Convertible has a special sensor system in the crash and safety module ACSM2 for the purpose of detecting rollover situations I...

Страница 46: ...ors 3 When the processor in the crash safety module detects an immi nent rollover it sends two telegrams within a defined time window via the K bus The first telegram instructs the ROC control unit to make itself ready for firing arming telegram The ROC control unit incorpo rates two firing capacitors 3 connected in parallel for providing the firing energy Each actuator has one high side and one l...

Страница 47: ...eces sary to trigger the system using diagnostic equipment The output stages of the actuators are activated here with the aid of a test module Note It is absolutely essential to observe the following safety precautions Open the hardtop otherwise the rear window will be damaged Make sure no one is situated in the immediate vicinity of the rollbars Mechanical Emergency Release The rollover protectio...

Страница 48: ... systems is not desirable when the top is down This situation forces the driver to continually adjust the temperature and blower controls for maximum comfort So a convertible top mode has been introduced into the E93 This mode is activated when the top is down A signal from the convertible top module to the IHKA provides the activation for the convertible top mode This mode requires no additional ...

Страница 49: ...he top down therefore the defrost outlets always remain closed The driver sets the required temperature at the temperature control Depending on the outside temperature sun s intensity and vehicle speed the required interior climate is maintained by the supply of correspondingly temperature controlled air The most comfortable conditions are achieved with the side win dows closed and a wind deflecto...

Страница 50: ...ocation of the antenna amplifiers for the listed antennas FM1 rear window FM1 left trim FM2 bumper FM3 FM3 right trim FM4 bumper AM rear window AM left 3 What is the difference between the side airbags between the E92 and E93 4 What is the position of the footwell vents when the IHKA system is in convertible mode 50 E93 Complete Vehicle Workbook ...

Страница 51: ...E93 Complete Vehicle Workbook 51 NOTES PAGE ...

Страница 52: ...p Improved resale value Coupe like appearance when top is up Large glass rear window allows more visibility E93 RHT Features All steel construction including trunk lid Hydraulic operation featuring 8 hydraulic rams 6 Gas pressurized dampers to provide smooth movement High pressure hydraulic pump below luggage compartment floor Remote operation with Comfort Access Complete opening closing operation...

Страница 53: ...ubsequent pages in this workbook The mechanical and hydraulic elements in the RHT are designed to achieve to necessary goals of fast smooth and quiet operation The top can be operated via the switch in the center console the mechanical portion of the key and via remote operation Remote operation is carried out via the remote control I D transmitter This feature is only possible with comfort access...

Страница 54: ...ehicle Workbook Conditions for Operation As with previous convertibles there are a set of preconditions which must be met before top operation can be carried out The following represents the preconditions for operation ...

Страница 55: ...ent E93 Complete Vehicle Workbook 55 Precondition Specification Signal origin path Type of signal Visual indication to driver Terminal R Outside Temperature Trunk Lid Road Speed Power Window initialization Luggage compartment divider Lateral inclination Battery voltage Successive operations Hydraulic fluid temp ...

Страница 56: ... LED is on continuously solid the top is not capable of operating This could be due to a malfunction or one of the pre conditions is not met For example if the luggage compartment divider not in the fully down position the red LED will be on contin uously as an indication When the top is prevented from operation there will be a check control message with CCC an icon and a gong This will let the dr...

Страница 57: ...the incorrect state i e luggage compartment divider up or trunk open etc The note the CC messages and icons which appear What type of sensor switch senses the position of the luggage compartment divider If the vehicle does not have CCC how is the driver warned of improper operation Using the actual vehicle as a guide operate the top through the opening and closing operations Note the sequence and ...

Страница 58: ...T can be fully opened The windows will also be lowered by continued pressing of the switch This feature will only work with Comfort Access The RHT can also be operated by the mechanical key when inserted into the driver s door lock cylinder The top can be opened by holding the key in the unlock direction and closed by holding in the lock direction By holding the lock button the RHT can be fully cl...

Страница 59: ...The operation will start by opening the rear module all the way The roof package will be lifted to the intermediate position Then the rear module is closed and locked Finally the trunk lid will be released using the SCA and slightly opened Now the luggage compartment divider can re raised and luggage can be loaded or unloaded without the need to completely close the hard top Once the luggage loadi...

Страница 60: ...by position and are available for a closing operation or to support a closing operation Closing the Boot Lid When the boot lid is closed the SCA drives are in standby position When the left and right boot lid locks have reached the locking clips two microswitches are actuated and their status is read in by the CTM The CTM then triggers both SCA drives one on each SCA drive until two other microswi...

Страница 61: ...al locking of the trunk lid 8 Control cable for mechanical unlocking of the trunk lid 3 Control cable for unlocking the right trunk lid lock 9 Release lever 4 Right boot lid lock microswitch 10 Control cable for unlocking the left trunk lid lock 5 Locking cylinder of the trunk lid 11 Left SCA drive 6 Right stop buffer 12 Left stop buffer ...

Страница 62: ...panels shells are made of sheet steel in a classic sandwich construction and are engineered for optimum weight and rigidity A central hydraulic system in the luggage compartment floor provides the hydraulic pressure for movement of 8 hydraulic cylinders in the overall system The retractable hard top RHT consists of two main major sections the roof module and the rear module Index Explanation Index...

Страница 63: ...E93 Complete Vehicle Workbook 63 Index Explanation Index Explanation 1 Roof mechanism 4 Roof module main mount 2 Rear mechanism carrier bar 5 Closure 3 Rear module main mount ...

Страница 64: ...e retractable hardtop The hydraulic system is controlled via the Convertible top module CTM and is built into a multifunctional tray in the luggage compartment floor A central electric motor in the front roof panel serves to lock the entire retractable hardtop system The roof shells are interlocked using drive cable tubes similar to a sunroof drive The roof module weighs about 215 lbs approximatel...

Страница 65: ...ing a supporting bar structure with main mount The rear module weighs about 105 lbs The trunk lid is equipped with Soft Close Automatic Index Explanation Index Explanation 1 Opening hinges for linkage main pillar 6 Wiring harness 2 Hardtop lid 7 Rear module linkage 3 Trunk lid 8 Trunk lid damper 4 Tail lights 9 Trunk lid linkage 5 Rear module main mount ...

Страница 66: ... When the retractable hardtop is stowed while wet any remaining water droplets are collected in the side storage trays and the channel in the boot sill panel where they can evaporate This provides items of luggage with maximum protection from remaining water Index Explanation Index Explanation 1 Left storage stray 3 Right storage tray 2 Trunk sill panel channel ...

Страница 67: ...E93 Complete Vehicle Workbook 67 Index Explanation Index Explanation 1 Water hose 3 Water drain 2 Water valve ...

Страница 68: ...x Explanation Index Explanation 1 Connecting rod for right catch hook 8 Locking bolt for center roof panel to rear left roof panel 2 Right catch hook 9 Locking bolt for front center roof panel to center left roof panel 3 Right drive cable 10 Left drive cable 4 Locking bolt for front center roof panel to center right roof panel 11 Left catch hook 5 Locking bolt for center roof panel to rear right r...

Страница 69: ...transmit ted from the gear wheel of the electric motor to the connecting rods via the splines on the control disk The left and right connecting rods separate and the front roof panel is locked to the cowl panel via the catch hooks The locking hook which locks the front roof panel to the center roof panel is also driven via the center connecting rod The roof shells are unlocked in the opposite dire...

Страница 70: ...he closure cylinders to unlock the rear module Use special tools to unlock rear module Open rear module by hand lift from center of rear module taking care not to damage plastic covers Before removing any latches or brackets make sure to mark bolts to help on reassembly Make sure when lifting roof module out of trunk well have at least 2 people to assist Keep fingers clear of linkage to avoid inju...

Страница 71: ... divider is not fully down 3 The drive motor of the RHT is responsible for locking various elements of the top Which elements are locked and unlocked by the drive motor 4 Which control module operates the drive motor in the first roof panel 5 How is the convenience loading feature initiated And how is is completed E93 Complete Vehicle Workbook 71 ...

Страница 72: ...croswitches in the cowl panel hardtop and rear module and forwarded to the CTM via the respective wiring harness Each of them signals whether a cer tain status has been reached and whether the CTM can initiate the next phase The current supply of the microswitches Hall sensors is provided by the CTM The CTM also reads in the status of the button The CTM is connected to other control units via the ...

Страница 73: ... the available reference material and class vehicle identify and locate all microswitches and Hall sensors on the vehicle Complete the exercise by filling in the chart below with the correct sensor switch terminology Index Explanation Index Explanation 1 9 2 10 3 11 4 12 5 13 6 14 7 15 8 ...

Страница 74: ...ly open Roof shells partially closed Hall Sensor These two hall sensors are located on the right hand roof shell cylinder Right closure open Hall Sensor Right hand closure closed microswitch The right hand closure cylinder area contains both a Hall sensor and a microswitch Left hand closure closed microswitch The microswitch for left hand closure closed is on the left hand closure cylinder area Re...

Страница 75: ...pen Hall sensor Rear module almost closed Hall sensor Both of these Hall sensors are located on the right hand rear module cylinder Luggage compartment divider Hall Sensor This Hall sensor is located on the right hand rear side of the luggage compartment Roof package extended Hall Sensor This Hall sensor is located on the right side main roof pillar cylinder ...

Страница 76: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 77: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 78: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 79: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 80: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 81: ... Status in Diagnosis No Yes Component location Cowl panel reached Microswitch Catch hook cowl panel locked Microswitch Catch hook cowl panel unlocked Microswitch Roof panels shells partially closed Hall Sensor Roof panels shells partially opened Hall Sensor Right closure coupling open Hall Sensor Right closure coupling closed Microswitch Rear module closed Hall Sensor Roof package stowed Hall Sens...

Страница 82: ...ed micro switch 15 Rear module closed Hall sensor 5 Operating button for retractable hard top 16 Roof package extended Hall sensor 6 Junction Box electronics 17 Hydraulic unit pump motor valves 7 Convertible Top Module CTM 18 Luggage compartment divider Hall sensor 8 Open roof shells Hall sensor 19 Diversity aerial 9 Close roof shells Hall sensor 20 Left closure microswitch 10 Closure open Hall Se...

Страница 83: ...E93 Complete Vehicle Workbook 83 NOTES PAGE ...

Страница 84: ...inders are required for the movement of the hardtop the two roof shell cylinders and two rear pillar cylinders The rear module is opened and closed by two rear module cylinders Two closure cylinders are responsible for locking unlocking the rear roof panels and the rear module Index Explanation Index Explanation 1 Right roof panel shell cylinder 6 Hydraulic assembly pump motor valves and relays 2 ...

Страница 85: ...the temperature of the pump motor is measured using an NTC resistor The NTC resistor is connected to the CTM via two wires with a floating ground An open circuit causes an entry in the fault code memory but does not prevent the hardtop from moving Two temperature values are particularly important The lower of these is around 90 C and serves as an early warning If this tempera ture is exceeded any ...

Страница 86: ...re Cylinders The closure cylinders 1 lock the rear roof panel and rear module to the body Before the hardtop can be opened the rear roof shell must be unlocked It is unlocked by extending the piston A Hall sensor is installed on the right cylinder that detects the position of the extend ed piston Since the cylinders are de pressurized if the hydraulic pump is not activated they are engaged while l...

Страница 87: ...cle Workbook 87 Index Explanation Index Explanation 1 Closure cylinder 5 Outlet flaps for main pillars 2 Lock hook 6 Rear module mechanism 3 Rear roof shell locking roller 7 Rear roof shell 4 Rear module locking roller ...

Страница 88: ...s are installed on the right roof panel cylinder and detect the position of the piston When the roof panel cylinders are pressurized on the rod side the pistons are retracted and the roof shells separate When the Hall sensor detects the position of the retracting piston the pressure in the cylinder is reduced In addition the spring on the roof panel cylinder acts counter to the movement direction ...

Страница 89: ... the rear module cylinders When the rear pillar cylinders are retracted the rear module is closed The rear module is opened by extending the pistons in the rear module cylinders Two Hall sensors are installed on the right rear module cylinder The upper Hall sensor detects the position of the opened rear module The lower Hall sensor signals to the CTM that the rear module is almost closed Beginning...

Страница 90: ...cations to ensure proper position during re assembly Make sure to protect rear module and trunk from body damage using fender covers or other suitable protection Once the rear module is removed place in safe location away from the vehicle to allow access by special tool engine crane Mark mounting locations on rear module mount List the tool number for the special tools shown below 90 E93 Complete ...

Страница 91: ...lectrical connectors have been unplugged Install special tool to protect rollover protection system List the special tool shown in the above illustration Release all required fasteners in preparation for removal of the roof module Replace bushing during re assembly Secure metallic object washer etc on the luggage compartment Hall sensor to simulate closed luggage compartment divider Prepare specia...

Страница 92: ...e removal be aware of the bolt length Tighten sleeves on special tool on hand tight Over tightening will cause problems during re assembly Using wire ties or suitable attachment tie the rear module cylinders and hydraulic unit to special tool 92 E93 Complete Vehicle Workbook ...

Страница 93: ...nnect ground connections and water drains Disconnect remaining bolts and check for any remaining wiring harness connections Remove brackets as shown Attach upper part of sling and remove roof module Take care to lift roof module straight up and out Avoid damage by taping up any potentially exposed areas Remove roof module and move crane assembly away far enough to room to perform adjustments on ve...

Страница 94: ...Adjustments With instructor guidance and repair instructions perform all of the necessary RHT adjustments using special tools List all special tools required to perform RHT adjustments Notes 94 E93 Complete Vehicle Workbook ...

Страница 95: ...r instructions List all gap specifications in the chart below Continue with reassembly and ensure that the RHT is functioning properly Erase all fault codes and check RHT functions Notes E93 Complete Vehicle Workbook 95 Index Specified Gap Index Specified Gap 1 6 2 7 3 8 4 9 5 ...

Страница 96: ...the correct answer Roof panel 1 and roof panel 2 Rear module and roof shell 3 Roof shell 3 and roof shell 2 Luggage compartment cover and roof shell 1 4 Which control module is responsible for the actuation of the SCA drives on the E93 circle the correct answer JB CTM ROC FRM 5 The entire opening closing operation of the RHT takes place by the use of ________ hydraulic cylinders circle the correct...

Страница 97: ...E93 Complete Vehicle Workbook 97 NOTES PAGE ...

Страница 98: ...98 title NOTES PAGE ...

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