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14
Mk-3 Navigation
Service Mode
Just as Mk-2, Mk-3 provides an on-screen service mode for diagnosis. The service mode
provides five different test screens:
On-board monitor
Navigation/Graphic element
GPS
Sensor Check
Telematics
To enter the Navigation Service Mode:
Turn the ignition key to position 1 (KL R).
From the Menu screen select “SET”.
Once in the Set screen, press and hold the “MENU” button for 8 seconds.
The Service Mode menu will appear on the display.
Select from the Service Mode menu for navigation specific tests.
Diagnosis
Diagnosis is carried out using Test Modules in the Diagnosis Program as well 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.
11.13.2000Thursday10 : 17
INFO
1
4
25
36
FM AM
MODEMENU
TONE SELECT
Language
Distance
Consumpt.
Temp.
Clock
Date
Audio+OBCUSA
miles
mpg
F
12h
mm/dd
off E
km
1/100km km/l
C
24h set
dd.mm set
onSW 3-1/20 SET
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INFO
1
4
25
36
FM AM
MODEMENU
TONE SELECT
On-board monitor
Video Module
GPS
Sensor check
TelematicsNAVIGATION/GRAPHIC ELEMENT
SERVICE MODE
Press and hold for 8 seconds after entering
the “Set” modeService Mode main menu display
BMWDISB
M
WD
IS
BMWDISB
M
WD
IS
11.13.2000Thursday10 : 17
Wheel sensor:
GPS satellites:
GPS status:
Gyro:
Direction: SENSOR CHECK
return
0
00
Satellite search
02485
Forward
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16
Mk-3 Navigation
PDOP Position Dilution of Precision
HDOP Horizontal Dilution of Precision
VDOP Vertical Dilution of Precision
S/N Signal/noise relationship
Gyro Piezo gyro sensor (in navigation computer)
Dir Direction of travel
Menu Display Explanation
GPS/Status
GPS/Tracking
info G-speed
Heading
Rec status
Pos-src
PDOP
HDOP
VDOP
CH
PRN
S/N
Visible Sat
Almanac Relative speed over the ground
Direction of travel
Search/track/position receiver 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 detection
Better reception as the value increases
Number of visible satellites, receivable
Signals, depending on time of
day/configuration
Satellite database, loaded automatically after
15 minutes
Telematics VIN
Color
GSM
BMW info
Emergency call out
Initialization
Logging off VIN (Automatically assigned during coding)
Color code or text
Telephone network/contract number
Customer specific info
On/off status
Telematics services on/off status
Logging off telematics services
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17
Mk-3 navigation
Review Questions
1. List the most signoficant changes made to the Mk-3 navigation computer over the
previous Mk-2.
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 navigation computer? Where can the software status be confirmed
after it has been loaded?
5. How is the VIN entered into the navigation computer?