NISSAN X-TRAIL 2003 Service Repair Manual

Page 3931 of 4179

AUDIO ANTENNA
AV-41
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AUDIO ANTENNAPFP:28200
Antenna RouteEKS00ECV
Removal and Installation of Roof AntennaEKS00ECW
1. Remove headlining.
Refer to EI-39, "HEADLINING" in “Exterior/Interior (EI)” sec-
tion.
2. Remove roof antenna mounting nuts, antenna plug, and power
connector. Then remove roof antenna.
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Page 3932 of 4179

AV-42
NAVIGATION SYSTEM

NAVIGATION SYSTEMPFP:25915
System DescriptionEKS00F2S
The navigation system periodically calculates the vehicle's current
position according to the following three signals: Travel distance of
the vehicle as determined by the vehicle speed sensor, turning angle
of the vehicle as determined by the gyroscope (angular velocity sen-
sor), and the direction of vehicle travel as determined by the GPS
antenna (GPS information).
The current position of the vehicle is then identified by comparing the
calculated vehicle position with map data read from the map DVD-
ROM, which is stored in the DVD-ROM drive (map-matching), and
indicated on the screen with a current-location mark.
By comparing the vehicle position detection results found by the
GPS and by map-matching, more accurate vehicle position data can
be used.
The current vehicle position will be calculated by detecting the dis-
tance the vehicle moved from the previous calculation point and its
direction.
TRAVEL DISTANCE
Travel distance calculations are based on the vehicle speed sensor input signal. Therefore, the calculation
may become incorrect as the tires wear down. To prevent this, an automatic distance fine adjustment function
has been adopted.
TRAVEL DIRECTION
Change in the travel direction of the vehicle is calculated by a gyroscope (angular velocity sensor) and a GPS
antenna (GPS information). As the gyroscope and GPS antenna have both merit and demerit, input signals
from them are prioritized in each situation. However, this order of priority may change in accordance with more
detailed travel conditions so that the travel direction is detected more accurately.
MAP-MATCHING
Map-matching is a function that repositions the vehicle on the road
map when a new location is judged to be the most accurate. This is
done by comparing the current vehicle position, calculated by the
method described in the position detection principle, with the road
map data around the vehicle, read from the map DVD-ROM stored in
the DVD-ROM drive.
Therefore, the vehicle position may not be corrected after the vehicle
is driven over a certain distance or time in which GPS information is
hard to receive. In this case, the current-location mark on the display
must be corrected manually.
NOTE:
The road map data is based on data stored in the map DVD-ROM.
SKIA0370E
SEL684V
Type Advantage Disadvantage
Gyroscope (angular velocity sensor)
Can detect the vehicle's turning angle
quite accurately.Direction errors may accumulate when the
vehicle is driven for long distances without
stopping.
GPS antenna (GPS information)
Can detect the vehicle's travel direction
(North/South/East/West).Correct direction cannot be detected when
the vehicle speed is low.
SEL685V

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NAVIGATION SYSTEM
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In map-matching, alternative routes to reach the destination will
be shown and prioritized, after the road on which the vehicle is
currently driven has been judged and the current-location mark
has been repositioned.
If there is an error in distance and/or direction, the alternative
routes will be shown in different order of priority, and the wrong
road can be avoided.
If two roads are running in parallel, they are of the same priority.
Therefore, the current-location mark may appear on either of
them alternately, depending on maneuvering of the steering
wheel and configuration of the road.
Map-matching does not function correctly when the road on
which the vehicle is driving is new and not recorded in the map
DVD-ROM, or when the road pattern stored in the map data and
the actual road pattern are different due to repair.
When driving on a road not present in the map, the map-match-
ing function may find another road and position the current-loca-
tion mark on it. Then, when the correct road is detected, the
current-location mark may leap to it.
Effective range for comparing the vehicle position and travel
direction calculated by the distance and direction with the road
data read from the map DVD-ROM is limited. Therefore, when
there is an excessive gap between the current vehicle position
and the position on the map, correction by map-matching is not possible.
GPS (GLOBAL POSITIONING SYSTEM)
GPS (Global Positioning System) has been developed and con-
trolled by the US Department of Defense. The system utilizes GPS
satellite (NAVSTAR), sending out radio waves while flying on an orbit
around the earth at the height of approx. 21,000 km(13,000 miles).
The GPS receiver calculates the vehicle's position in three dimen-
sions (latitude/longitude/altitude) according to the time lag of the
radio waves received from four or more GPS satellites (three-dimen-
sional positioning). If radio waves were received only from three
GPS satellites, the GPS receiver calculates the vehicle's position in
two dimensions (latitude/longitude), utilizing the altitude data calcu-
lated previously by using radio waves from four or more GPS satel-
lites (two-dimensional positioning).
Accuracy of the GPS will deteriorate under the following conditions.
In two-dimensional positioning, the GPS accuracy will deteriorate when the altitude of the vehicle position
changes.
There may be an error of approximately 10 m (30 ft.) in position detected by three-dimensional position-
ing, which is more accurate than two-dimensional positioning. The accuracy can be even lower depending
on the arrangement of the GPS satellites utilized for the positioning.
Position detection is not possible when the vehicle is in an area where radio waves from the GPS satellite
do not reach, such as in a tunnel, parking lot in a building, and under an elevated highway. Radio waves
from the GPS satellites may not be received when some object is located over the GPS antenna.
Position correction by GPS is not available while the vehicle is stopped.
SEL686V
SKIA0613E
SEL526V

Page 3934 of 4179

AV-44
NAVIGATION SYSTEM

COMPONENT DESCRIPTION
NAVI Control Unit
The gyro (angular speed sensor) and the DVD-ROM drive are
built-in units that control the navigation functions.
Signals are received from the gyro, the vehicle speed sensor,
and the GPS antenna. Vehicle location is determined by com-
bining this data with the data contained in the DVD-ROM map.
Locational information is shown on liquid crystal display panel.
DVD-ROM Drive
Maps, traffic control regulations, and other pertinent information can
be easily read from the DVD-ROM disc.
Map DVD-ROM
The map DVD-ROM has maps, traffic control regulations, and other pertinent information.
To improve DVD-ROM map matching and route determination functions, the DVD-ROM uses an exclusive
Nissan format. Therefore, the use of a DVD-ROM provided by other manufacturers cannot be used.
Gyro (Angular Speed Sensor)
The oscillator gyro sensor is used to detect changes in vehicle steering angle.
The gyro is built into the navigation (NAVI) control unit.
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Page 3935 of 4179

NAVIGATION SYSTEM
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BIRDVIEW®
The BIRDVIEW® provides a detailed and easily seen display of road conditions covering the vehicle's imme-
diate to distant area.
MAP DISPLAY
BIRDVIEW®
Description
Display area: Trapezoidal representation showing approximate
distances (Wn, D, and Wd).
Ten horizontal grid lines indicate display width while six vertical
grid lines indicate display depth and direction.
Drawing line area shows open space, depth, and immediate
front area. Each area is to a scale of approximately 5:6:25.
Pushing the “ZOOM IN” button during operation displays the
scale change and the view point height on the left side of the
screen.
The height of the view point increases or decreases when
“ZOOM” or “WIDE” is selected.
SKIA1377E
SKIA1378E
SEL691V

Page 3936 of 4179

AV-46
NAVIGATION SYSTEM

MAP DISPLAY
Function of each icon is as follows:
1. Azimuth indication.
2. Position marker.
–The tip of the arrow shows the current position. The shaft of the
arrow indicates the direction in which the vehicle is traveling.
3. GPS reception signal (indicates current reception conditions).
4. Distance display (shows the distance in a reduced scale).
FUNCTION OF NAVI SWITCH
Display With Pushed “DEST” Switch
Easy Mode
Expert Mode
The Function of Each Icon Is as Follows:
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IconMODE
Description
Easy Expert
Address Book×Favorite place can be saved to memory.
Address (City / Street)××The destination can be searched from the address.
Point of Interest (POI)××The destination of favorite facility can be searched.
Phone Number×The destination can be searched from the phone number.
Previous Dest.×The previous ten destinations stored in memory are displayed.
Intersection×The destination can be searched from the intersection.
City Center×The destination can be searched from city name.
Map×The destination can be searched from the map.
Home×Sets the home as a destination.
Help×Explanation of Navigational functions appear on the Display.

Page 3937 of 4179

NAVIGATION SYSTEM
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Display With Pushed “ROUTE” Switch
Easy Mode
Expert Mode
The Function of Each Icon Is as Follows:
*: When destinations have been entered, route guidance has been turned OFF or destination has been reached, “Route Info.” and “Edit
Route” are not displayed.
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IconMODE
Description
Easy Expert
Quick Stop××The selected facility is set as the destination or waypoint.
(Route guidance has been turned OFF or the destination has been reached)
Where am I?××Next, current and previous street names can be displayed.
Route Info.*×The following items can be set.
Complete Route
Tu rn List
Route Simulation
(Displayed only when the destination area has been set.)
Edit Route*×Change the destination or add the transit points of the route set in the route guide. (Dis-
played only when the automatic reroute function has been turned OFF and the recom-
mended route is not followed.)
Route Calculation×This key is used to start the route calculation after all the settings are completed.
Help×Explanation of Navigational functions appear on the Display.

Page 3938 of 4179

AV-48
NAVIGATION SYSTEM

Display With Pushed “SETTING” Switch
The Function of Each Icon Is as Follows:
Display with Pushed “INFO” Button
When the “INFO” button is pushed, the following items will display on the screen.
Warning message (if there are any) →DRIVE INFORMATION→MAINTENANCE INFOMATION→OFF.
“LANGUAGE SETTINGS” mode
Select one of the languages which appear on the screen.
NOTE:
Languages that do not appear on the screen must be loaded from
program disk.
SKIA9143E
Icon Description
Display Settings of display can be performed.
LanguageLanguage can be selected for the display and voice guidance.
Use the program CD-ROM disc to change the language.
Navigation Settings and adjusting of navigation can be performed.
Navigation Expert Mode Easy Mode and Expert Mode can be switched.
Guidance Volume The volume and/or on/off of voice prompt can be controlled by the joystick.
Help Explanation of Navigational Functions Appear on the Display.
Display items Display/Setting contents
DRIVE INFORMATIONElapsed Time Displays driving time with a range of 0:00:00 to 9999:59:59.
Driving Distance
[(km) or (miles)] Displays driving distance with a range of 0.0 to 99999.9.
Average speed
[(km/h) or (MPH)]Displays average speed with a range of 0.0 to 999.9.
MAINTENANCE INFOMATIONReminder 1 Maintenance intervals of vehicle's consumables and setting of cycles.
Reminder 2 Maintenance intervals of vehicle's consumables and setting of cycles.
Reminder 3 Maintenance intervals of vehicle's consumables and setting of cycles.
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Page 3939 of 4179

NAVIGATION SYSTEM
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“NAVIGATION SETTINGS” mode
How To Perform Navigation Settings
1. Start the engine.
2. Push “SETTING” button.
3. Select “Navigation” key.
Easy Mode
Expert Mode
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Page 3940 of 4179

AV-50
NAVIGATION SYSTEM

Application Items
“VIEW” Mode
1. Select “BIRDVIEW® ” or “Plan view” icon.
To open the map screen display with BIRDVIEW® , select
“BIRDVIEW
® ”.
To open the map screen display with Plan View, select “Plan
View”.
“HEADING” Mode
To display the car heading up, select “Heading up”.
To display North up, select “North up”.
IconMODE
DescriptionRefer-
ence
page Easy Expert
View××Map display mode can be switched.AV- 5 0
Heading××Heading of the map display can be customized for either north head-
ing or the actual driving direction of the vehicle.AV- 5 0
Nearby Display Icons×Icons of facilities can be displayed.
Facilities to be displayed can be selected from the variety selections.AV- 5 1
Save Current Location×Current vehicle location can be registered in Address Book.AV- 5 1
Edit Address Book×Address Book can be edited.AV- 5 1
Clear Memory×Address Book, Previous destination or Avoid area can be deleted.AV- 5 1
Auto Re-route On / Off×On / Off of Auto Re-route can be switched.AV- 5 2
Quick Stop Customer Setting×One facility of your selection can be added to your Quick Stop.AV- 5 2
Set Average speed for Estimated
Journey Time×Average vehicle speed can be set to calibrate estimated journey
time for the destination.AV- 5 2
GPS Information×The GPS data includes longitude, latitude and altitude (distance
above sea level) of the present vehicle position, and current date
and time for the area in which the vehicle is being driven.
Also indicated are the GPS reception conditions and the GPS satel-
lite position.AV- 5 2
Avoid Area Setting×A particular area can be avoided when routing.AV- 5 3
Tracking On / Off×Tracking to the present vehicle position can be displayed.AV- 5 3
Adjust Current Location×Current location of position marker can be adjusted. Direction of
position marker also can be calibrated when heading direction of the
vehicle on the display is not matched with the actual direction.AV- 5 3
Switch beep On / Off×Button tone can be selected On / Off.AV- 5 4
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