2007 NISSAN TIIDA Service Repair Manual

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NISSAN TIIDA 2007 Service Repair Manual AV-36
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
NAVIGATION SYSTEM
More accurate traveling direction is detected because priorities are set for the signals from these two
devices according to the s

AV-36
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
NAVIGATION SYSTEM
More accurate traveling direction is detected because priorities are set for the signals from these two
devices according to the situation.
Map-Matching
Map-matching compares a current location detected by the method
in the “Location Detection Principle” with a road map data from Map
DVD-ROM stored in DVD-ROM drive.
NOTE:
The road map data is based on data stored in the map DVD-ROM.
The vehicle position may not be corrected under the following circumstances and after driving for a certain
time when GPS information is difficult to receive. In this case, the vehicle mark on the display must be cor-
rected manually.
In map-matching, alternative routes to reach the destination will be
shown and prioritized, after the road on which the vehicle is cur-
rently driven has been judged and the vehicle mark has been repo-
sitioned.
Alternative routes will be shown in different order of priority, and
the incorrect road can be avoided if there is an error in distance
and/or direction.
They are of the same priority if two roads are running in parallel.
Therefore, the vehicle mark may appear on either of them alter-
nately, depending on maneuvering of the steering wheel and con-
figuration of the road.
Map-matching does not function correctly when a road on which
the vehicle is driving is new and not recorded in the map DVD-
ROM, or when road pattern stored in the map data and the actual
road pattern are different due to repair.
The map-matching function may find another road and position the
vehicle mark on it when driving on a road not present in the map.
Then, the vehicle mark may change to it when the correct road is
detected.
Effective range for comparing the vehicle position and travel direc-
tion calculated by the distance and direction with the road data
read from the map DVD-ROM is limited. Therefore, correction by
map-matching is not possible when there is an excessive gap
between current vehicle position and the position on the map.
GPS (Global Positioning System)
Type Advantage Disadvantage
Gyroscope
(angular velocity sensor)Can detect the vehicle's turning angle quite
accurately.Direction errors may accumulate when 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 vehicle
speed is low.
SEL685V
SEL686V
SKIA0613E

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NISSAN TIIDA 2007 Service Repair Manual AV
NAVIGATION SYSTEM
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GPS (Global Positioning System) was developed for and is con-
trolled by the US Department of Defe

AV
NAVIGATION SYSTEM
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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
(13,100miles).
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). The GPS receiver calculates the vehicle's posi-
tion in two dimensions (latitude/longitude), utilizing the altitude data
calculated previously with radio waves from four or more GPS satel-
lites (two-dimensional positioning) if radio waves were received only
from three GPS satellites.
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 (30ft).
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)
NOTE:This system is built-in NAVI control unit.
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, via the guidance mode, and allows you to detour around traffic incidents.
The navigation system receives traffic information from best available sources and enables the RDS-TMC
(Radio Data System-Traffic Information 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.
Component Parts LocationINFOID:0000000001728633
Refer to AV-33, "Component Parts Location".
Component DescriptionINFOID:0000000001728634
SEL526V
Part name Description
NAVI CONTROL UNIT The master unit controls each operation of the Navigation system.
Map data can be read from the Map DVD-ROM by installing Map DVD-ROM.
The RGB signal (map information) is output to the display.
The voice guidance signal is output to the audio unit.
MAP DVD-ROM A collection of Map data
DISPLAY UNITMap image signal is input from NAVI control unit, and it map image indicated on
the display.
AUDIO UNIT Voice guidance signal is input from NAVI control unit, and it is output to front
LH/RH speakers.
Each operation of navigation can be performed.
FRONT DOOR SPEAKER
Voice guidance signal from audio unit is output.
FRONT TWEETER

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NISSAN TIIDA 2007 Service Repair Manual AV-38
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
NAVIGATION SYSTEM
STEERING SWITCH Each operation of navigation, etc. can be performed.
Switch operating signal is output to NAVI control unit via

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NISSAN TIIDA 2007 Service Repair Manual AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
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DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
Diagnosis DescriptionINFOID:00000000017286

AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
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DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
Diagnosis DescriptionINFOID:0000000001728643
MULTI AV SYSTEM on board diagnosis function
The NAVI control unit diagnosis function starts up with audio switch operation and the NAVI control unit per-
forms a diagnosis for each unit in the system during the on board diagnosis.
Perform a CONSULT-III diagnosis if the on board diagnosis does not start, e.g., the screen does not display
anything, the multifunction switch does not function. etc.
On board diagnosis
Description
The trouble diagnosis function has a self-diagnosis mode for conducting trouble diagnosis automatically and
a confirmation/adjustment mode for operating manually.
The self-diagnosis mode performs diagnoses on the NAVI control unit, connections between system compo-
nents as well as connections between NAVI control unit and GPS antenna. Then it displays the diagnosis
results on the display.
The confirmation/adjustment mode allows the technician to check, modify or adjust the vehicle signals and
set values, as well as to monitor the system error records and system communication status. The check,
modify or adjust actions generally require human intervention and judgment (the system cannot make judg-
ment automatically).
On board diagnosis item
STARTING PROCEDURE
1. Start the engine.
2. Turn the audio system OFF.
Mode Description
Self Diagnosis NAVI control unit diagnosis
Diagnoses the connections across system components, between
NAVI control unit and GPS antenna.
Confirmation/
AdjustmentDisplay DiagnosisThe following check functions are available: color tone check by color
bar display, light and shade check by gray scale display.
Vehicle SignalsDiagnosis of signals can be performed for vehicle speed, parking
brake, lights, ignition switch, and reverse.
Speaker Test The connection of a speaker can be confirmed by test tone.
NavigationSteering Angle Ad-
justmentA difference can be adjusted between the actual turning angle and the
vehicle mark turning angle.
Speed CalibrationA difference can be adjusted between the current location mark and the
actual location.
Error HistoryThe system malfunction and the frequency when occurred in the past
are displayed. The time and place that the selected malfunction last oc-
curred are displayed when the malfunctioning item is selected.
Vehicle CAN Diagnosis The transmitting/receiving of CAN communication can be monitored.
AV COMM DiagnosisThe communication condition of each unit of Multi AV system can be
monitored.
Handsfree PhoneThe received volume adjustment of hands-free phone, microphone
speaker check, and erase memory can be performed.
Bluetooth The passkey and the device name can be checked and changed.
Delete Unit Connection Log Erase the connection history of unit and error history.
Feature Restriction SettingOperations of navigation system while driving can be restricted by us-
ing this function.

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NISSAN TIIDA 2007 Service Repair Manual AV-40
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
3. Turn the volume control dial clockwise or counterclockwise for
40 clicks or more while pushing the “SETTIN

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NISSAN TIIDA 2007 Service Repair Manual AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
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- The comments of the self-diagnosis results can be viewed with a
component in

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NISSAN TIIDA 2007 Service Repair Manual AV-42
< FUNCTION DIAGNOSIS >[AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
COMFIRMATON/ADJUSTMENT MODE
1. Start the diagnosis function and select “Confirmation / Adjustment”. The con

Page 48 of 5883

NISSAN TIIDA 2007 Service Repair Manual AV
DIAGNOSIS SYSTEM (NAVI CONTROL UNIT)
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P Display Diagnosis
The tint of the color bar indication is as per the following

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