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77

On-Board Monitor and Navigation Systems

Review Questions

1.  List the most significant changes made to the Mk-2 navigation computer over the 

previous Mk-1.  Describe the changes between Mk-2 and Mk-3.

2. How can the signal provided by the gyro sensor to the navigation computer be 

checked?

3. Describe how the display signals are transmitted from the navigation computer to the 

MIR and board monitor.

4. What step is necessary before loading the navigation computer operating software CD

on a newly replaced Mk-3 navigation computer?  Where can the software status be 

confirmed after it has been loaded?

5. How is the VIN entered into the Mk-2 or Mk-3 navigation computer?

6. Describe the situations that would require a full calibration be performed on a Mk-1 

navigation computer.

7. How are the On-Board Monitor input signals (function requests) received by the Nav. 

computer, Radio, IKE, IHKA and Telephone?

Содержание E38 2001

Страница 1: ...System Inputs 27 Mark I Navigation System Operation 30 Mark I Navigation System Calibration Overview 35 Vehicle Owner Calibration 35 Dealership Calibration Procedures 38 Mark I Navigation System Soft...

Страница 2: ...s 1997 to 2001 Objectives After completing this module you should be able to Describe the controls possible from the On Board Monitor Explain the purpose of the ARCNET Know how to operate the various...

Страница 3: ...splay data is sent to the On board Monitor over the various interfaces The On board Monitor is mounted in the center dash console It replaces the Radio Tape Player MID and DSP control panel E38 if equ...

Страница 4: ...REMOVAL OF ON BOARD MONITOR ASSEMBLY FROM CENTER CONSOLE The on board monitor is removed from the center console as an assembly as follows 1 Remove the wood trim from the dash on both sides of the on...

Страница 5: ...omputer module for determining the vehicle position NAVIGATION COMPUTER REMOVAL To remove the nav computer from the mounting bracket insert four small phillips head screwdrivers into the four holes on...

Страница 6: ...ANTENNA The antenna picks up the signals from the satellites and transmits them to the GPS module Carry over components that are part of the On Board Monitor Navigation system include Instrument Clus...

Страница 7: ...ation Computer and Video Module are connected by the ARCNET for isolated high speed navigation system communication The ARCNET is made up of two data wires and a shield similar to the familiar CAN dat...

Страница 8: ...or back to the previous screen Amber LED illuminated when radio is on Tape program and eject buttons 1 6 buttons correspond to stored radio stations 12 6 Auto and CD selections CD 1 6 selection Weathe...

Страница 9: ...isplayed in the monitor ROTATE Selects the desired function for programming or display MENU BUTTON The menu button is used to call up the Main Menu as shown at right This Menu provides access to all o...

Страница 10: ...CHECK ENGINE ABS ASC ABS ASC 10 On Board Monitor and Navigation Systems...

Страница 11: ...d up from the On board Monitor main menu by highlighting the BC and pressing the knob Once the computer functions are displayed all programming and resetting of the displays is carried out using the r...

Страница 12: ...lephone models Other features of the monitor telephone control include Memory storage and recall Information on signal strength and call timer Top 8 number storage Emergency call feature Displays 911...

Страница 13: ...ard television images will not display in the On board Monitor E38 vehicles are prewired for television viewing in the rear seat A TV monitor connector is located in the rear of the center console for...

Страница 14: ...and Latitude Coordinates If the vehicle is equipped with a telephone 911 or Assist BMW roadside assistance can be called directly from this screen If the vehicle is not equipped with a phone the emerg...

Страница 15: ...9 from 9 00 E53 from 1 01 E46 Cabrio from 3 01 all other E46 models from 9 01 Objectives After completing this module you should be able to Describe the benefits of the wide screen monitor over the pr...

Страница 16: ...wide screen on board monitor replaces both the 5 5 versions in the E38 and E39 and the 5 board monitor from the E53 and E46 The wide screen display has a screen size of 6 5 and an aspect ratio length...

Страница 17: ...In order to access the cassette press the eject button the display screen tilts forward to uncover the cassette slot The images will remain displayed on the screen After pressing the eject button agai...

Страница 18: ...tivates the soft key menu for RDS and PTY 1 6 BUTTONS Audio presets and CD selection AM FM SELECTION MODE DISPLAY Mode selects between audio functions Display alternates between radio display and othe...

Страница 19: ...A CD PLAYER AUDIO SIGNALS AUDIO SIGNALS FOR AMPLIFICATION TAPE PLAYER AUDIO SIGNALS AMPLIFIER DSC processed left front wheel speed signal REVERSE SIGNAL FROM LCM POWER GPS NAVIGATION SYSTEM 13 07 2000...

Страница 20: ...a traditional audio wires 4 to the radio located in the trunk or cargo area for output to the audio system amplifier Workshop Hints Service mode Access for the radio on board monitor and navigation se...

Страница 21: ...adjustment 11 13 2000 Thursday 10 17 INFO 1 4 2 5 3 6 FM AM MODE MENU TONE SELECT Language Distance Consumpt Temp Clock Date Audio OBC USA miles mpg F 12h mm dd off E km 1 100km km l C 24h set dd mm s...

Страница 22: ...tems Diagnosis Fault driven diagnosis is possible using the DIS MoDiC Diagnosis Program The Diagnosis Program features Identification Read Clear fault memory Diagnosis requests Fault driven test modul...

Страница 23: ...9 97 Objectives After completing this module you should be able to Understand the principles of GPS Navigation List the components used in the Mk 1 system Recognize the reasons that would require a s...

Страница 24: ...GPS was designed by the US Government in the 1970s for military purposes In recent years it has been made available for civilian use There are 24 satellites equally divided among six orbits that are p...

Страница 25: ...r module calculates its own longitude and latitude position This is only possible when it receives a minimum of three satellite signals In a sense GPS can be compared to navigation methods used by sai...

Страница 26: ...ted CD drive in the navigation computer The U S is divided into 7 mapped CD database areas ranging from Area 1 California and Nevada through Area 7 Covering the South Eastern States In addition to the...

Страница 27: ...heck of the data transmission The GPS receiver module is provided KL 30 to maintain vehicle position in memory When KL R is switched on the receiver module resumes monitoring the satellite radio signa...

Страница 28: ...When the system is switched on magnetic fields are induced into the coils The coils produce a voltage signal that is input to the navigation computer As the vehicle turns to the left or right the eart...

Страница 29: ...hat the vehicle is being driven in reverse REAR WINDOW DEFROSTER ON SIGNAL When the rear window defroster is switched on the nav computer is informed via the vehicle bus system IHKA to the IKE Kbus IK...

Страница 30: ...city town from an Alpha Numeric menu or the destination can be selected from the index of listed locations that are mapped on the CD Next the desired street is entered in the same fashion The street...

Страница 31: ...to turn The graphical map display which consists of a digital road map showing the entered route destination and vehicle position In either display mode a voice command will inform the driver when to...

Страница 32: ...sub menu will display on screen Choose Scale and adjust as needed GRAPHICAL MAP POSITIONING The graphical map can be displayed North Pointing or Direction of travel This function is also accessed by t...

Страница 33: ...e the number of satellite signals that the navigation computer is receiving If only the globe graphic is displayed without the dots or logo the vehicle is in a poor reception area or the signals are b...

Страница 34: ...detailed list of stored points of interest such as Gas stations Banks Restaurants Hotels etc This feature allows the user to enter the point of interest and change the route to guide the driver to th...

Страница 35: ...osition and adjust the tire calibration Both of these adjustments are found on the vehicle position screen which is accessed from the information screen as shown on page 24 The Owner Calibration Proce...

Страница 36: ...the tire adjustment screen Press the tire size and rotate the knob to see if the tire size is listed Select the correct tire size and press the button once again Note that the tire circumference size...

Страница 37: ...lide the regulator bar towards the end of the scale When finished press the Ready button It will require a little trial and error to achieve precision adjustment Keep in mind that distance displays th...

Страница 38: ...heet metal or welding work a sensor check and Compass calibration should be performed The following preconditions must exist before a successful calibration can be carried out No faults stored in the...

Страница 39: ...es five selections A full dealer calibration procedure consists of carrying out all five selections Though they can be done individually with positive results it is recommended to complete all five st...

Страница 40: ...orrect vehicle The track width value will change to the displayed values as shown above AFTERMARKET WHEELS OR SUSPENSION MODIFICATIONS If the vehicle is equipped with aftermarket wheels or has modifie...

Страница 41: ...all for this test to be carried out as part of the troubleshooting procedures The test requires driving the vehicle in a tight circle at a speed of 6 MPH or less If there are no faults with the inputs...

Страница 42: ...and 6 meter distance in this procedure Field testing has proven that a distance of 8 meters provides a more precise wheel sensor calibration 1 Make sure the front wheels are facing forward Place the...

Страница 43: ...Precisely measure the distance from the starting point to the end point tolerance 1cm and input this value using the rotary knob Then press continue Drive the vehicle to the known minimum 100 meter st...

Страница 44: ...construction Calibration of the field sensor is a three step process that includes COMPASS STEP 1 Allowing the sensor to read all directions of travel This is carried out in one of two different metho...

Страница 45: ...n you have completed The monitor will indicate that the navigation computer has seen all directions of travel by displaying Calibration Successful Alternate Method BLOCK Driving the vehicle around a b...

Страница 46: ...f a long section of road Preferred Method DIGITIZED ADDRESS This procedure can only be used within a fully digitized CD map area The actual location is entered into the on board monitor and the naviga...

Страница 47: ...e in the direction of your planned calibration drive 6 Select the street that is in your planned direction of travel 7 Press Start when you begin to drive The screen will automatically confirm that th...

Страница 48: ...irm that the calibration was successful Press the continue button to go to Compass Step 3 Rear Window Defroster grid compensation calibration page 39 Last Method Angle Angular calibration using the di...

Страница 49: ...nfirm the input on the Monitor screen Wait for acknowledgment by the navigation system Switch the rear defogger OFF and confirm the input on the monitor screen Wait for acknowledgment by the navigatio...

Страница 50: ...ing digitized map database CD Turn the ignition switch On Insert the new software CD Any currently running program will be interrupted and the message Please Wait will be displayed on the monitor scre...

Страница 51: ...aths provided by the DIS In the case of positioning errors or faults with the Navigation System the DIS will request a Sensor Test be performed prior to carrying out the diagnosis This test procedure...

Страница 52: ...ins calibration data screens to review the vehicles present state of calibration calibration status list The calibration data 2 is set up for E38 vehicles only at the time of navigation system introdu...

Страница 53: ...From 9 97 to 9 00 Objectives After completing this module you should be able to Explain the differences between Mk 2 and Mk 2 Navigation List the components used in the system Describe the operation o...

Страница 54: ...tor Navigation system components in the left side trunk area is immediately recognized Though the Navigation Computer looks the same as the Mk 1 from it s installed posi tion it is actually a differen...

Страница 55: ...cal characteristics of the Board Monitor are unchanged from the Mark I system It provides the visual display information and control for Audio system radio tape cd and DSP systems Board Computer V Mar...

Страница 56: ...anges in the vehicle s driven direc tion changes in vehicle yaw Similar to the Rotation Rate Sensor of the DSC III system the gyro sensor mea sures the motion of the vehicle on it s vertical axis This...

Страница 57: ...rns the free floating upper ends of the tuning fork flex This generates a millivoltage signal proportional to the turn The signal amplifier receives the signal and passes it on to the phase detector w...

Страница 58: ...m to the On Board Monitor LCD It also provides improved quality audio signals directly to the amplifier for navigation specific audio instructions right turn ahead The Mark II nav computer receives tw...

Страница 59: ...or the board monitor display After selecting set from the main menu scroll down to the bottom of the list an additional three items are included BC display Provides selection of either the outside tem...

Страница 60: ...r is the SERVICE MODE menu The On board monitor and Video module selections are not functional even though they are displayed The first accessible function is the NAVI GRAPHIC ELEMENT This screen is f...

Страница 61: ...E menu is Sensor check which provides Wheel speed input only one wheel speed signal displayed in the right side window Total number of GPS satellites currently providing signals What mode the GPS rece...

Страница 62: ...he vehicle coordinates when the assist button was pressed This information is dis played on a computer screen of the Cross Country Group assist person nel prior to any verbal communication taking plac...

Страница 63: ...ns at intersections where possible While driving the system utilizes the map CD the received GPS coordinates the Gyro sen sor to determine turn activity and the wheel speed sensor input It compares al...

Страница 64: ...53 Production Date E46 from 6 00 all others from 9 00 Objectives After completing this module you should be able to Recognize the changes to Mk 3 from the previous Mk 2 navigation system Identify the...

Страница 65: ...entered destination based on the vehicles current position and the roads available selected from a digitized road map The principle differences of the Mk 3 system over the previous Mk 2 are GPS recei...

Страница 66: ...for audio interface Output for visual display Cooling fan for unit There are two different hardware versions available dependent on the angle of installation in the vehicle horizontal or vertical The...

Страница 67: ...mode see workshop hints but is not typically used in diagnosis Gyro Rotation Sensor The navigation computer contains the electronic piezo Gyro sensor that detects rotation yaw of the vehicle as a con...

Страница 68: ...Code Set GPS Navigation Monitor off Emergency Aux Ventilation DOLBY B C NR 1 2 BMW 3 4 MODE 5 6 TONE SELECT FM AM PTY RDS MENU MONITOR 09 08 00 Friday 7 05 PM MENU On board computer Telephone onitor...

Страница 69: ...FICATION TAPE PLAYER AUDIO SIGNALS AMPLIFIER DSC processed left front wheel speed signal REVERSE SIGNAL FROM LCM POWER GPS NAVIGATION SYSTEM 13 07 2000 Thursday 10 17 INFO 1 4 2 5 3 6 FM AM MODE MENU...

Страница 70: ...rd monitor The audio signals for navigation instructions to the radio are sent via two separate lines MIR Radio Navigation Since a color display is not used for the MIR the navigation information for...

Страница 71: ...om the left rear wheel E38 E39 E52 E53 The speed signal used is from the left front wheel Reverse Gear Input The reverse gear input is used by the navigation computer to distinguish between the vehicl...

Страница 72: ...ftware for use with a board monitor or MIR This is performed using the DIS coding pro gram CD 22 0 onward and the Navigation System operating software CD V15 0 onward Note Vehicles using the wide scre...

Страница 73: ...shed encode the navigation computer using the Recoding path in ZCS Coding The coding process involves coding vehicle specific data VIN Model Telematics data etc The software status can be confirmed fr...

Страница 74: ...ell as on screen in the Service mode The Sensor Check display is intended to be used while test driving the vehicle The following pages contain charts with explanations of the Service Mode display 11...

Страница 75: ...r Direction Reverse is displayed when range selector is in reverse Forward in any other range Check back up light signal input GPS Status Text Display Description 1 GPS fault Problem with GPS system S...

Страница 76: ...eceiver status Number of satellites available for analysis Accuracy of the calculated location 8 sufficient determinations of location 4 very good determinations of location Channel Satellite detectio...

Страница 77: ...e navigation computer to the MIR and board monitor 4 What step is necessary before loading the navigation computer operating software CD on a newly replaced Mk 3 navigation computer Where can the soft...

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