2005 NISSAN X-TRAIL sat nav

AV-40
NAVIGATION SYSTEM

GPS (Global Positioning System)
GPS (Global Positioning System) was developed for and is con-
trolled by the US Department of Defense. The system utilizes GPS
satellites (NAVSTAR), sending out radio waves while flying on an
orbit around the earth at an altitude of approximately 21,000 km.
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 with radio waves from four or more GPS satellites
(two-dimensional positioning).
Position correction by GPS is not available while the vehicle is stopped.
Accuracy of GPS will deteriorate under the following conditions:

In two-dimensional positioning, GPS accuracy will deteriorate when altitude of the vehicle position
changes.

The accuracy can be even lower depending on the arrangement of the GPS satellites utilized for the posi-
tioning.

Position detection is not possible when 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.
NOTE:

Even a high-precision three dimensional positioning, the detection result has an error about 10 m (30 ft).

Because the signals of GPS satellite is controlled by the Tracking and Control Center in the United States,
the accuracy may be degraded lower intentionally or the radio waves may stop.
Traffic Information (RDS-TMC)
The Traffic Information broadcast allows to you to avoid delays due to traffic incidents.
Traffic jams, roadwork, closed roads around your current location, etc. are represented graphically on the map
by icons depicting the nature of the event.
Incidents on the route are automatically brought to your attention when they are approached.
The Traffic Information feature gives you the opportunity to forecast traffic incidents, determine how serious
they are and, via the guidance mode, allows you to detour around traffic problems.
The navigation system receives traffic information from best available sources and enables the RDS-TMC
(Radio Data System-Traffic Message Channel) to inform and guide you.
The RDS-TMC broadcast is fed by a dedicated FM tuner so that you can still tune your radio station while Traf-
fic Information is being broadcasted.
SEL526V

NAVIGATION SYSTEM
AV-41
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Component DescriptionEKS00M7G
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.
Location 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.
GPS ANTENNA
The GPS antenna receives and amplifies the radio waves from the GPS satellites, and then transmits the GPS
signal to NAVI control unit.
PKIA0248E
PKIA0249E

AV-70
NAVIGATION SYSTEM

Self-Diagnosis FunctionEKS00F32
DESCRIPTION

Diagnosis function consists of the self-diagnosis mode performed automatically and the CONFIRMATION/
ADJUSTMENT mode operated manually.

Self-diagnosis mode checks for connections between the units constituting this system, analyzes each
individual unit at the same time, and displays the results on the LCD screen.

CONFIRMATION/ADJUSTMENT mode is used to perform trouble diagnosis that require operation and
judgment by an operator (trouble that cannot be automatically judged by the system), to check/change the
set value, and to display the History of Errors of the navigation system.
DIAGNOSIS ITEM
Mode Description
Self-diagnosis

NAVI Control unit diagnosis (DVD-ROM drive will not be diagnosed when no
map DVD-ROM is in it.).

Performs diagnosis of each unit and connections between control unit and GPS
antenna, as well as between control unit and each unit.
Confirmation /
AdjustmentDisplayColor tone and shading of the screen can be checked by the display of a color bar
and a gray scale.
Vehicle signalsAnalyzes the following vehicle signals: Vehicle speed signal, light signal, ignition
switch signal, and reverse signal.
History of ErrorsDiagnosis results previously stored in the memory (before turning ignition switch
ON) are displayed in this mode. Time and location when/where the errors occurred
are also displayed.
NavigationDisplay Longitude
& LatitudeDisplay the map. Use the joystick to adjust position. Longitude and latitude will be
displayed.
Speed CalibrationUnder ordinary conditions, the navigation system distance measuring function will
automatically compensate for minute decreases in wheel and tire diameter caused
by tire wear or low pressure. Speed calibration immediately restores system accu-
racy in cases such as when distance calibration is needed because of the use of
tire chains in inclement weather.
Angle AdjustmentCorrects difference between actual turning angle of a vehicle and turning angle of
the car mark on the display.
Initialize LocationThis mode is for initializing the current location. Use when the vehicle is trans-
ported a long distance on a trailer, etc.
Feature Restriction SettingOperations of navigation system that are performed while driving can be restricted
by using this function.

NAVIGATION SYSTEM
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Self-Diagnosis ModeEKS00F33
OPERATION PROCEDURE
1. Start the engine.
2. Push and hold “MAP” and “ ” switches simultaneously for 5
seconds or more.

Push the “BACK” switch and the initial system screen will be
shown.
3. The initial trouble diagnosis screen will be shown, and items
“Self-Diagnosis” and “Confirmation / Adjustment” will become
selective.
4. Perform self-diagnosis by selecting the “Self-Diagnosis”.

Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.

A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.
5. On the “SELF-DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.
NOTE:

Navigation Unit = NAVI control unit

Communication converter = Transfer unit

Satellite Switch = NAVI switch

RDS–TMC Tuner = TMC tuner

If multiple malfunctions occur at the same time for a single unit, the screen switch colors are determined
according to the following order of priority: red > yellow > gray.

Display when it is normal
–Between Navigation Unit and GPS antenna, Communication Converter and Display, Display and Satel-
lite Switch are connected in green.
–Between Navigation Unit and Communication Converter, Navigation Unit and RDS-TMC tuner are con-
nected in gray.
SKIA9191E
SKIA0381E
SKIA0382E
Green : No malfunctioning.
Yellow : Cannot be judged by self-diagnosis results.
Red : Unit is malfunctioning.
Gray : Diagnosis has not been done.
SKIB3619E

NAVIGATION SYSTEM
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GPS TCX0
over
GPS TCX0
underOscillating frequency of the GPS substrate frequency synchroniz-
ing oscillation circuit exceeded (or below) the specification.
Navigation location detection performance
has deteriorated.
(Location correction using GPS is not per-
formed.)

GPS receiving status remains gray.

Perform self-diagnosis.

When the NAVI control unit is judged normal by self-diagnosis,
the symptom may be intermittent, caused by strong radio inter-
ference, or the control unit may have been subjected to exces-
sively high or low temperatures.
GPS ROM
malfunction
GPS RAM
malfunctionContents of ROM (or RAM) in GPS substrate are malfunctioning.

Location detection accuracy of the navigation
system will deteriorate, depending on the error
area in the memory, because GPS cannot
make correct positioning.
(Location correction using GPS is not per-
formed.)

Perform self-diagnosis.

When the NAVI control unit is judged normal by self-diagnosis,
the symptom may be intermittent, caused by strong radio inter-
ference.
GPS RTC
malfunctionClock IC in GPS substrate is malfunctioning.

Correct time may not be displayed.

After the power is turned on, the system
always takes some time until GPS positioning
becomes possible. (The GPS receiver starts
positioning without re-collecting the whole sat-
ellite information when it judged the data
stored in the receiver is correct.)

Correct time of error occurrence may not be
stored in the ″History of Errors″.

Perform self-diagnosis.

When the NAVI control unit is judged normal by self-diagnosis,
the symptom may be intermittent, caused by strong radio inter-
ference.
GPS antenna
disconnectedMalfunctioning connection between GPS substrate in NAVI control
unit and GPS antenna.

Navigation location detection performance
has deteriorated.
(Location correction using GPS is not per-
formed.)

GPS receiving status remains gray.

Perform self-diagnosis.

When connection between NAVI control unit and GPS antenna
is judged normal by self-diagnosis, the symptom may be inter-
mittent, caused by impact or vibration.
Low voltage
of GPSThe power voltage supplied to the GPS circuit board has
decreased.

Navigation location detection performance
has deteriorated.
(Location correction using GPS is not per-
formed.)

GPS receiving status remains gray.

Perform self-diagnosis.

When connection between NAVI control unit and GPS antenna
is judged normal by self-diagnosis, the symptom may be inter-
mittent, caused by impact or vibration.
DVD-ROM
malfunction
DVD-ROM
read error
DVD-ROM
response
ErrorMalfunctioning NAVI control unit. -
Dedicated map DVD-ROM is in the system, but the data cannot be
read.

The map of a particular location cannot be dis-
played.

Specific guidance information cannot be dis-
played.

Map display is slow.

Guidance information display is slow.

System has been affected by vibration.

Is map DVD-ROM damaged, warped, or dirty?
–If damaged or warped, the map DVD-ROM is malfunctioning.
–If dirty, wipe the DVD-ROM clean with a soft cloth.

Perform self-diagnosis.

When NAVI control unit is judged normal by self-diagnosis, the
symptom is judged intermittent, caused by vibration. Error itemPossible causes
Example of symptom
Action/symptom

NAVIGATION SYSTEM
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Guide Sound Is Not HeardEKS00F3K
1. CHECK VOICE GUIDE SETTING

While driving in the dark pink route, voice guide does not operate.
NOTE:
Voice guide is only available at intersections that satisfy certain conditions (indicated by

on the map).
Therefore, guidance may not be given even when the route on the map changes direction.

Is volume setting not switched ON?
YES or NO
YES >> GO TO 2.
NO >> Switch the setting ON and turn the volume up.
2. VOICE GUIDE CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector and transfer unit connector.
3. Check continuity between NAVI control unit harness connector
M116 terminal 7 (G), 8 (R), and transfer unit harness connector
M111 terminal 8 (G), 10 (R).
4. Check continuity between NAVI control unit harness connector
M116 terminal 7 (G), 8 (R) and ground.
OK or NG
OK >> GO TO 3.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector.
3. VOICE GUIDE SIGNAL CHECK (NAVI CONTROL UNIT)
1. Connect NAVI control unit connector and transfer unit connector.
2. Turn ignition switch ON.
3. Push “VOICE” switch.
4. Check the signal between NAVI control unit harness connector
M116 terminal 7 (G) and 8 (R) with CONSULT-II or oscilloscope.
OK or NG
OK >> GO TO 4.
NG >> Replace NAVI control unit. 7 (G) - 8 (G) : Continuity should exist.
8 (R) - 10 (R) : Continuity should exist.
7 (G), 8 (G) - Ground : Continuity should not exist.
SKIA9115E
7 (G) - 8 (R) : Refer to AV- 6 2 , "Terminals and Ref-
erence Value for NAVI Control Unit" .
SKIA9113E

AV-98
NAVIGATION SYSTEM

Example of Symptoms Judged Not MalfunctionEKS00F3N
BASIC OPERATIONS
VEHICLE MARKS
Symptom Possible cause Remedy
No image comes on.The brightness adjustment is at the lowest set-
ting.Adjust to brighter setting.
No map comes on the screen.No map DVD-ROM is inserted, or it is inserted
upside down.Insert the DVD-ROM correctly.
The map display mode is switched off. Push the “MAP” button.
No voice guidance is available. or
The volume is not high enough.The volume is not set correctly or it is turned
off.Adjust the volume correctly.
The screen is too dim. The move-
ment is slow.The temperature in the vehicle is low. Wait for the temperature to rise.
There are darker or brighter dots
in the display.It is inherent to LC displays. This is not malfunction.
Symptom Possible cause Remedy
The location names differ between
PLAN VIEW and BIRDVIEW
® .This is because the displayed information is
reduced so that the screen does not become
too crowded. There is also a chance that
names of the roads or locations will be repeat-
edly displayed. The name appearing on the
screen may be different because of the pro-
cessing procedure.It should not be regarded as malfunction.
The vehicle mark is not shown
correctly.The vehicle might have moved with the ignition
off, for example on a ferry boat or car trans-
porter.Drive the vehicle with GPS on for some dis-
tance.
The screen does not switch to
night mode even after turning the
headlights on.The last time the lights were turned on, your
setting was in daytime mode.Turn the headlights on again, go to DISPLAY
SETTINGS screen and set it to the night
mode.
The map does not scroll even
when the vehicle is traveling.The display is not switched to the map screen. Push the “MAP” button.
The vehicle mark does not show
up.The display is not switched to the map screen. Push the “MAP” button.
GPS indicator on the screen
remains gray.GPS signals are not received because the vehi-
cle is indoors or in the shade of buildings.Move the vehicle outdoors with a clear view of
the sky.
GPS satellites are in poor locations.Wait for the satellites to move to better loca-
tions.
The location of the vehicle mark
does not match the actual posi-
tion.Driving on slippery road surface If the vehicle mark does not move to the cor-
rect position even after the vehicle has been
driven for approximately 10 km (6 miles),
adjust the current location. If necessary, adjust
the moving speed of the vehicle. Driving on slanted area
Rough or violent driving.If the position maker does not move to the cor-
rect position even after the vehicle has been
driven for approximately 10 km (6 miles),
adjust the current location.
GPS indicator remains gray.Please check the GPS indicator on the screen
to see if it remains gray.
Errors (gain or loss) result in calculating the
speed from the speed pulse because the vehi-
cle has tire chains on, or the system was trans-
ferred to a different vehicle.It will move by driving the vehicle for 30 min-
utes [in case it is running at 30 km/h (19
MPH)]. If you still notice errors, adjust moving
speed.
The map data has an error or is incomplete (if
the location error always happens in the same
area).Please wait for the updated Map

AV-104
NAVIGATION SYSTEM

VEHICLE MARK SHOWS A POSITION WHICH IS COMPLETELY WRONG
In the following cases, the vehicle mark may appear on completely different position in the map depending on
the GPS satellite signal receiving conditions. In this case, perform location correction and direction correction.

When location correction has not been done
–If the receiving conditions of the GPS satellite signal is poor, if the vehicle mark becomes out of place, it
may move to a completely different location and not come back if location correction is not done. The
position will be corrected if the GPS signal can be received.

When the vehicle has traveled by ferry, or when the vehicle has been being towed
–Because calculation of the current location cannot be done when traveling with the ignition off, for exam-
ple when traveling by ferry or when being towed, the location before travel is displayed. If the precise loca-
tion can be detected with GPS, the location will be corrected.
VEHICLE MARK JUMPS
In the following cases, the vehicle mark may appear to jump as a result of automatic correction of the current
location.

When map matching has been done
–If the current location and the vehicle mark are different when map matching is done, the vehicle mark
may seem to jump. At this time, the location may be “corrected” to the wrong road or to a location which is
not on a road.

When GPS location correction has been done
–If the current location and the vehicle mark are different when the location is corrected using GPS mea-
surements, the vehicle mark may seem to jump. At this time, the location may be “corrected” to a location
which is not on a road.
Precautions
for drivingJust after the engine is started If the vehicle is driven off just after the
engine is started when the gyroscope
(angular speed sensor) correction is not
completed, the vehicle can lose its direc-
tion and may have deviated from the cor-
rect location.Wait for a short while before
driving after starting the engine.
Continuous driving without stopping When driving long distances without stop-
ping, direction errors may accumulate, and
the vehicle mark may deviate from the cor-
rect road.Stop and adjust the orientation.
Abusive driving Spinning the wheels or engaging in other
kinds of abusive driving may result in the
system being unable perform correct
detection, and may cause the vehicle mark
to deviate from the correct road.If after traveling about 10 km (6
miles) the correct location has
not been restored, perform
location correction and, if nec-
essary, direction correction.
How to
correct
locationPosition correction accuracy
If the accuracy of location settings is poor,
accuracy may be reduced when the correct
road cannot be found, particularly in places
where there are many roads.Enter in the road displayed on
the screen with an accuracy of
approx. 1mm.
Caution: Whenever possible,
use detailed map for the cor-
rection.
Direction when location is corrected
If the accuracy of location settings during
correction is poor, accuracy may be
reduced afterwards.Perform direction correction. Cause (condition) Driving condition Remarks (correction, etc.)
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