sat nav INFINITI QX56 2006 Factory Service Manual

TROUBLE DIAGNOSISATC-39
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How to Perform Trouble Diagnosis for Quick and Accurate RepairEJS003XF
WORK FLOW
SYMPTOM TABLE
*1AT C - 5 8 , "Operational Check (Front)"
or ATC-60, "
Operational Check
(Rear)" .
SHA900E
Symptom Reference Page
A/C system does not come on. Go to Trouble Diagnosis Procedure for A/C System. AT C - 6 1
A/C system display is malfunctioning. Go to Navigation System. AV- 8 4
A/C system cannot be controlled.Go to Self-diagnosis Function. AT C - 5 6
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor. AT C - 6 4
Mode door motor is malfunctioning.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor. AT C - 7 0
Air mix door motor is malfunctioning.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor. AT C - 8 3
Intake door motor is malfunctioning.
Defroster door motor is malfunctioning. Go to Trouble Diagnosis Procedure for Defroster Door Motor. AT C - 8 7
Front blower motor operation is malfunction-
ing.Go to Trouble Diagnosis Procedure for Front Blower Motor.
AT C - 9 3
Rear blower motor operation is malfunction-
ing.Go to Trouble Diagnosis Procedure for Rear Blower Motor.
AT C - 1 0 1
Rear discharge air temperature and/or air
outlet does not change.Go to Trouble Diagnosis Procedure for Rear Air Control circuit.
AT C - 11 2
Magnet clutch does not engage.Go to Trouble Diagnosis Procedure for Magnet Clutch. AT C - 11 5
Insufficient coolingGo to Trouble Diagnosis Procedure for Insufficient Cooling. AT C - 1 2 1
Insufficient heatingGo to Trouble Diagnosis Procedure for Insufficient Heating. AT C - 1 2 8
NoiseGo to Trouble Diagnosis Procedure for Noise. AT C - 1 2 9
Self-diagnosis cannot be performed. Go to Trouble Diagnosis Procedure for Self-diagnosis. AT C - 1 3 0
Memory function does not operate.Go to Trouble Diagnosis Procedure for Memory Function. AT C - 1 3 1

AV-1
AUDIO, VISUAL, NAVIGATION & TELEPHONE SYS-TEM
K ELECTRICAL
CONTENTS
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PRECAUTIONS .....................................................
..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
PREPARATION ...................................................... ..... 5
Commercial Service Tool .................................... ..... 5
AUDIO .................................................................... ..... 6
Component Parts and Harness Connector Location ..... 6
System Description ............................................. ..... 8
REAR AUDIO REMOTE CONTROL UNIT ...... ..... 8
SATELLITE RADIO TUNER (PRE-WIRING) ... ..... 9
SATELLITE RADIO TUNER (FACTORY
INSTALLED) .................................................... ..... 9
SPEED SENSITIVE VOLUME SYSTEM ......... ..... 9
Schematic ........................................................... ... 10
Wiring Diagram — AUDIO — .............................. .... 11
Terminals and Reference Value for Audio Unit .... ... 22
Terminals and Reference Value for BOSE Speaker
Amp. .................................................................... ... 25
Terminals and Reference Value for Rear Audio
Remote Control Unit ............................................ ... 28
Terminals and Reference Value for AV Switch .... ... 29
Terminals and Reference Value for Satellite Radio
Tuner (Factory Installed) ..................................... ... 30
AV Switch Self-Diagnosis Function ..................... ... 31
STARTING THE SELF-DIAGNOSIS MODE .... ... 31
EXITING THE SELF-DIAGNOSIS MODE ........ ... 31
DIAGNOSIS FUNCTION .................................. ... 31
Trouble Diagnosis ............................................... ... 32
MALFUNCTION WITH RADIO AND CD .......... ... 32
FOR RADIO ONLY ........................................... ... 32
FOR CD ONLY ................................................. ... 33
FOR SATELLITE RADIO TUNER (FACTORY
INSTALLED) ONLY .......................................... ... 33
Noise Inspection .................................................. ... 33
TYPE OF NOISE AND POSSIBLE CAUSE ..... ... 33
Power Supply Circuit Inspection ......................... ... 35
Satellite Radio Tuner (Factory Installed) Power and
Ground Supply Circuit Inspection ........................ ... 37
Satellite Radio Tuner (Factory Installed) Commu- nication Circuit Inspection ....................................
... 38
Satellite Radio Tuner (Factory Installed) Left Chan-
nel Audio Signal Circuit Inspection ...................... ... 40
Satellite Radio Tuner (Factory Installed) Right
Channel Audio Signal Circuit Inspection ............. ... 41
Steering Switch Check ......................................... ... 41
AV Switch Check ................................................. ... 43
Audio Communication Line Check ...................... ... 44
Sound Is Not Heard From Front Door Speaker or
Front Tweeter ...................................................... ... 44
Sound Is Not Heard From Rear Door Speaker or
Rear Door Tweeter ................................................. 48
Sound Is Not Heard From Center Speaker ......... ... 51
Sound Is Not Heard From Subwoofer .................... 52
Removal and Installation ..................................... ... 55
AUDIO UNIT ..................................................... ... 55
AV SWITCH ...................................................... ... 55
BOSE SPEAKER AMP. .................................... ... 55
CENTER SPEAKER ......................................... ... 56
FRONT DOOR SPEAKER ............................... ... 56
FRONT TWEETER .......................................... ... 56
REAR AUDIO REMOTE CONTROL UNIT ....... ... 57
REAR DOOR SPEAKER .................................. ... 57
REAR DOOR TWEETER ................................. ... 57
SATELLITE RADIO ANTENNA ........................ ... 58
SATELLITE RADIO TUNER ............................. ... 58
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... ... 59
SUBWOOFER .................................................. ... 59
AUDIO ANTENNA ................................................. ... 60
System Description .............................................. ... 60
Wiring Diagram — W/ANT — .............................. ... 61
Location of Antenna ............................................. ... 62
Window Antenna Repair ...................................... ... 62
ELEMENT CHECK ........................................... ... 62
ELEMENT REPAIR .......................................... ... 63
TELEPHONE .......................................................... ... 64
Component Parts and Harness Connector Location ... 64
System Description .............................................. ... 65
BLUETOOTH® HANDS-FREE PHONE SYS-

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*** ” is Shown) .....................................................
. 153
Distance to Empty Displayed is Not Shown (“ *** ”
is Shown) ............................................................ . 154
Driving Distance or Average Speed Displayed is Not
Shown (“ *** ” is Shown) ...................................... . 154
WARNING DOOR OPEN Screen is Not Shown . . 154
Unable to Operate All of AV Switches (Unable to
Start Self-Diagnosis) ........................................... . 155
Audio Does Not Work .......................................... . 155
Navigation System Does Not Activate ................ . 155
Previous NAVI Conditions are Not Stored ........... . 156
Previous Vehicle Conditions are Not Stored ....... . 156
Position of Current Location Mark is Not Correct . 156
Radio Wave From GPS Satellite is Not Received . 156
Driving Test ......................................................... . 157
Example of Symptoms Judged Not Malfunction . . 158
BASIC OPERATION ........................................ . 158
VEHICLE MARK .............................................. . 158
DESTINATION, PASSING POINTS, AND MENU
ITEMS CANNOT BE SELECTED/SET ............ . 159
VOICE GUIDE .................................................. . 159
ROUTE SEARCH ............................................. . 160
EXAMPLES OF CURRENT-LOCATION MARK
DISPLACEMENT ............................................. . 161
CURRENT-LOCATION MARK SHOWS A POSI-
TION WHICH IS COMPLETELY WRONG ....... . 164CURRENT-LOCATION MARK JUMPS ............
.164
CURRENT-LOCATION MARK IS IN A RIVER OR
SEA .................................................................. .165
WHEN DRIVING ON SAME ROAD, SOME-
TIMES CURRENT-LOCATION MARK IS IN
RIGHT PLACE AND SOMETIMES IT IS WRONG
PLACE .............................................................. .165
LOCATION CORRECTION BY MAP-MATCH-
ING IS SLOW ................................................... .165
ALTHOUGH GPS RECEIVING DISPLAY IS
GREEN, VEHICLE MARK DOES NOT RETURN
TO CORRECT LOCATION ............................... .165
NAME OF CURRENT PLACE IS NOT DIS-
PLAYED ............................................................ .165
CONTENTS OF DISPLAY DIFFER FOR BIRD-
VIEW™ AND THE (FLAT) MAP SCREEN ....... .165
Program Loading of NAVI Control Unit ................ .166
Removal and Installation ..................................... .167
AV SWITCH ...................................................... .167
DISPLAY CONTROL UNIT ............................... .167
DISPLAY UNIT ................................................. .167
GPS ANTENNA ................................................ .167
NAVI CONTROL UNIT ..................................... .168
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... .168

NAVIGATION SYSTEMAV-85
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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.
CAUTION:
The road map data is based on data stored in the map DVD-
ROM.

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 positioning,
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.
SEL685V
SEL686V
SKIA0613E
SEL526V

AV-86
NAVIGATION SYSTEM
Revision: November 20092006 QX56

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.
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.
Location information is shown on liquid crystal display (display
unit).

Maps, traffic control regulations, and other pertinent information
can be easily read from the DVD-ROM disc.

The oscillator gyro sensor is used to detect changes in vehicle
steering angle.
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.
Display Control Unit
The display control unit coordinates audio and video signals between the NAVI control unit and the display
unit.
Display Unit
Displays NAVI system information.
AV Switch
AV switch allows user to input NAVI display settings. Self diagnostics are initiated using AV switch.
GPS Antenna
GPS antenna sends signals to NAVI control unit.
CAN Communication System DescriptionEKS00BJE
Refer to LAN-26, "CAN COMMUNICATION" .
WKIA4593E

NAVIGATION SYSTEMAV-111
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On Board Self-Diagnosis FunctionEKS00BJP
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
NOTE:
Make the status that is set by D/N function be shown.
ModeDescription
Self-diagnosis (DCU) Display control unit diagnosis.
Self-diagnosis (NAVI)

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

Analyzes connection between the NAVI control unit and the GPS
antenna and operation of each unit.
CONFIRMATION/
ADJUSTMENT Display diagnosis
In display control unit mode, color tone and shading of the screen can be
checked by the display of a color bar and a gray scale.
Vehicle signals In display control unit mode, analyzes the following vehicle signals: Vehi-
cle speed signal, light signal
NOTE , ignition switch signal, and reverse sig-
nal.
Auto Climate Control A/C self-diagnosis of A/C system.
Navigation Display diagnosis
In NAVI C/U mode, color tone and shading of the screen can be checked
by the display of a color bar and a gray scale.
Vehicle signals In NAVI C/U mode, analyzes the following vehicle signals: Vehicle speed
signal, light signal, ignition switch signal, and reverse signal.
History of Errors Diagnosis 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.
Naviga-
tion Display Lon-
gitude & Lat-
itude
Display the map. Use the joystick to adjust position. Longitude and latitude
will be displayed.
Speed Cali-
bration Under 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 imme-
diately restores system accuracy in cases such as when distance calibra-
tion is needed because of the use of tire chains in inclement weather.
Angle
adjustment Corrects difference between actual turning angle of a vehicle and turning
angle of the car mark on the display.
Initialize
Location This mode is for initializing the current location. Use when the vehicle is
transported a long distance on a trailer, etc.
CAN DIAG SUPPORT MONITOR Display status of CAN communication.

AV-122
NAVIGATION SYSTEM
Revision: November 20092006 QX56
NAVIGATION
1. The navigation screen will be shown, and items “Display Longi-
tude & Latitude ”, “Speed Calibration ”, “Angle Adjustment ” and
“Initialize Location ” will become selective.
2. Select each switch on “NAVIGATION” screen to display the rele- vant diagnosis screen.
GPS RTC
malfunction Clock 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 ″
Error History″.

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
disconnected Malfunctioning 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 GPS The 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
Error Malfunctioning 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 item
Possible causes
Example of symptom
Action/symptom
WKIA4312E

AV-152
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Guide Sound is Not HeardEKS00GEW
1. CHECK VOICE GUIDE SETTING
While driving in the dark pink route, voice guide does not operate. (note)
NOTE:
Voice guide is only available at intersections that satisfy certain conditions (indicated by

on the map). There-
fore, guidance may not be given even when the route on the map changes direction.
Is volume setting switched OFF?
YES >> Switch the setting ON and turn the volume up.
NO >> GO TO 2.
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connector B151 and audio unit connector M45.
3. Check continuity between NAVI control unit and audio unit.
4. Check continuity between NAVI control unit and ground.
Ok or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK VOICE GUIDE
1. Connect NAVI control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Check signal between NAVI control unit harness connector B151 terminal 12 and 14 with CONSULT-ll or oscilloscope.
OK or NG
OK >> Replace audio unit. Refer to AV- 5 5 , "AUDIO UNIT" .
NG >> Replace NAVI control unit. Refer to AV- 1 6 8 , "
NAVI CON-
TROL UNIT" .
Terminals
Continuity
BA
Connector Terminal Connector Terminal
NAVI control unit: B151 12
Audio unit:
M45 71
Ye s
14 69
Terminals Continuity
B
—
Connector Terminal (Wire color)
NAVI control unit: B151 12
GroundNo
14
WKIA4226E
12 - 14 : Refer to AV- 1 0 0 , "Terminals
and Reference Value for
NAVI Control Unit" .
WKIA4227E

AV-156
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Previous NAVI Conditions are Not StoredEKS00GF7
1. CHECK BATTERY POWER
Check NAVI control unit battery power.
Refer to AV- 1 2 6 , "
Power Supply and Ground Circuit Check for NAVI Control Unit" .
OK or NG
OK >> Replace NAVI control unit. Refer to AV- 1 6 8 , "NAVI CONTROL UNIT" .
NG >> Check NAVI control unit battery power system harness.
Previous Vehicle Conditions are Not StoredEKS00GF8
1. CHECK BATTERY POWER
Check display control unit battery power.
Refer to AV- 1 2 7 , "
Power Supply and Ground Circuit Check for Display Control Unit" .
OK or NG
OK >> Replace display control unit. Refer to AV- 1 6 7 , "DISPLAY CONTROL UNIT" .
NG >> Check display control unit battery power system harness.
Position of Current Location Mark is Not CorrectEKS00GF9
1. SELF-DIAGNOSIS
Perform “Self-diagnosis mode ” of the self-diagnosis function. Refer to AV- 11 4 , "
Self-Diagnosis Mode (NAVI)" .
OK or NG
OK >> GO TO 2.
NG >> Check the malfunctioning parts.
2. ERROR HISTORY DIAGNOSIS
Was any error stored in AV- 1 2 0 , "
ERROR HISTORY" of the "CONFIRMATION/ADJUSTMENT" mode?
YES or NO
YES >> AV- 1 2 0 , "DIAGNOSIS BY ERROR HISTORY".
NO >> AV- 1 5 7 , "
Driving Test".
Radio Wave From GPS Satellite is Not ReceivedEKS00GFA
1. CHECK ENVIRONMENT
Check if any metal object that intercepts radio waves or an object that emits radio waves (such as a portable
phone) is located near the GPS antenna. Check if the vehicle is shielded by a building.
OK or NG
OK >> System is not malfunctioning. The GPS antenna may not be able to receive radio waves from the GPS satellite if it is shielded by metal object or an object emitting radio waves is placed near it.
NG >> GO TO 2.
2. SELF-DIAGNOSIS
Perform “Self-diagnosis mode ” of the self-diagnosis function. Refer to AV- 11 4 , "
Self-Diagnosis Mode (NAVI)" .
OK or NG
OK >> Replace GPS antenna. Refer to AV- 1 6 7 , "GPS ANTENNA" .
NG >> Check the malfunctioning parts.

AV-158
NAVIGATION SYSTEM
Revision: November 20092006 QX56
Example of Symptoms Judged Not MalfunctionEKS00GFC
BASIC OPERATION
VEHICLE MARK
SymptomCause Remedy
No image is shown. Display brightness adjustment is set fully to
DARK side. Adjust the display brightness.
No guide sound is heard.
Audio guide volume is too low or
too high. Volume control is set to OFF, MIN or MAX. Adjust the audio guide volume.
Audio guidance is not available while the vehicle
is driving on a dark pink route.
System is not malfunctioning.
Screen is too dark.
Motion of the image is too slow. Temperature inside the vehicle is low.
Wait until the temperature inside the vehicle
reaches the proper temperature.
Small black or bright spots appear
on the screen. Symptom peculiar to a liquid crystal display (dis-
play unit). System is not malfunction.
Symptom
Cause Remedy
Map screen and BIRDVIEW ™
Name of the place varies with the
screen. Some thinning of the character data is done to
prevent the display becoming to complex. In
some cases and in some locations, the display
contents may differ.
The same place name, street name, etc. may not
be displayed every time on account of the data
processing. System is not malfunctioning.
Vehicle mark is not positioned cor-
rectly. Vehicle is transferred by ferry or by towing after its
ignition switch is turned to OFF. Drive the vehicle for a while in the GPS sat-
ellite signal receiving condition.
Screen will not switch to nighttime
mode after the lighting switch is
turned ON. The daytime screen is selected by the
“SWITCH
SCREENS ” when the last time the screen dim-
ming setting is done.
Switching between daytime/nighttime screen may
be inhibited by the automatic illumination adjust-
ment function. Perform screen dimming and select the
nighttime screen by
“SWITCH SCREENS ”.
Map screen will not scroll in accor-
dance with the vehicle travel. Current location is not displayed.
Press “MAP ” button to display the current
location.
Vehicle mark will not be shown. Current location is not displayed. Press “MAP ” button to display the current
location.
Accuracy indicator (GPS satellite
mark) on the map screen stays
gray. GPS satellite signal is intercepted because the
vehicle is in or behind a building.
Move the vehicle out to an open space.
GPS satellite signal cannot be received because
an obstacle is placed on top of the instrument
panel. Do not place anything in the center on top of
the display.
GPS satellites are not visible from current loca-
tion. Wait until GPS satellites are visible by mov-
ing the vehicle.
Vehicle location accuracy is low. Accuracy indicator (GPS satellite mark) on the map screen stays gray. Current location is not determined.
Vehicle speed setting by the vehicle speed pulse
has been deviated (advanced or retarded) from
the actual vehicle speed because tire chain is fit-
ted or the system has been used on another vehi-
cle. Drive the vehicle for a while [for approx. 30
minutes at approx. 30 km/h (19 MPH)] and
the deviation will be automatically adjusted.
If advancement or retard still occur, perform
the distance adjustment by CONFIRMA-
TION/ADJUSTMENT mode of diagnosis
function.
Map data has error or omission. (Vehicle mark is
always deviated to the same position.) As a rule, an updated map DVD
–ROM will
be released once a year.