Infiniti QX4 (R50). Manual — part 395
Self-diagnosis Mode
NBEL0231
APPLICATION ITEMS
NBEL0231S01
Mode
Description
Reference
page
Self Diagnosis
Self-diagnosis for display & NAVI control unit, CD-ROM
and GPS antenna connection.
Confirmation/
adjustment
Display Diagnosis
Color and gray gradation of display can be checked in
this mode.
Diagnostic Signals from the Car
Several input signals to display & NAVI control unit, can
be monitored in this mode.
Navigation
Check the map CD-
ROM version
The version (parts number) of inserted CD-ROM can be
checked in this mode.
Error history
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.
Longitude & Latitude
Display the map. Use the joystick to adjust position. Lon-
gitude and latitude will be displayed.
Adjust the angle
Turning angle of the vehicle on the display can be
adjusted in this mode.
Speed Calibration
Under ordinary conditions, the navigation system dis-
tance measuring function will automatically compensate
for minute decreases in wheel and tire diameter caused
by tire wear or low pressure. Speed calibration immedi-
ately restores system accuracy in cases such as when
distance calibration is needed because of the use of tire
chains in inclement weather.
Initialize Location
This mode is for initializing the current location. Use
when the vehicle is transported a long distance on a
trailer, etc.
SEL583X
HOW TO PERFORM SELF-DIAGNOSIS MODE
NBEL0231S02
1.
Start the engine.
2.
Push both of “MAP” and “D/N” switches at the same time for
more than 5 seconds.
SEL584X
3.
Touch “Self Diagnosis” or “Confirmation/ adjustment”.
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For further procedure, refer to the following pages which
describe each application item of the self-diagnosis mode.
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PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NAVIGATION SYSTEM
Self-diagnosis Mode
EL-397
SEL584X
“Self Diagnosis”
NBEL0231S0201
1.
Start the engine.
2.
Push both “MAP” and “D/N” switches at the same time for more
than 5 seconds.
3.
Touch “Self Diagnosis”.
SEL585X
4.
Self-diagnosis will be performed.
SEL586X
5.
Diagnosis results will be displayed. Diagnosis results are indi-
cated by display color. For details refer to “SELF-DIAGNOSIS
RESULTS”.
SEL587X
To obtain detailed diagnosis results on the screen, touch “Naviga-
tion” or “GPS Antenna”.
NAVIGATION SYSTEM
Self-diagnosis Mode (Cont’d)
EL-398
SELF-DIAGNOSIS RESULTS
=NBEL0231S03
Diagnosed
item
Displayed
color
Detailed result
Description
Diagnoses/service procedure
Recheck system at each check or
replacement (When malfunction is
eliminated, further repair work is
not required.)
“GPS
Antenna”
(GPS
antenna con-
nection)
Green
—
GPS antenna is connected to dis-
play & NAVI control unit correctly.
—
Yellow
Connection to the follow-
ing unit is abnormal. See
the Service Manual for
further diagnosis.
GPS antenna connection error is
detected.
1. Check GPS antenna feeder cable
connection at display & NAVI
control unit.
2. Visually check GPS antenna
feeder cable. If NG, replace GPS
antenna assembly.
3. Replace GPS antenna.
“Navigation”
(Display &
NAVI control
unit)
Green
—
No failure is detected.
—
Red
[*** is abnormal.]
Display & NAVI control unit is mal-
functioning.
Replace display & NAVI control unit.
Gray
Self-diagnosis for CD-
ROM DRIVER of DISP &
NAVI was not conducted
due to no insertion of
CD-ROM.
Any CD-ROM is not inserted or dis-
play & NAVI control unit is malfunc-
tioning.
1. Confirm that map CD-ROM is not
inserted into display & NAVI con-
trol unit.
2. Replace display & NAVI control
unit.
Yellow
CD-ROM or CD-ROM
DRIVER of DISP & NAVI
is abnormal. See the
Service Manual for fur-
ther diagnosis.
Display & NAVI control unit judges
that inserted CD-ROM is malfunc-
tioning.
Map CD-ROM or CD-ROM driver of
the unit is malfunctioning.
1. Confirm the disk is installed cor-
rectly (not up side down.)
2. Perform “CD-ROM VERSION
CHECK” in EL-405 to confirm
whether correct CD-ROM is
inserted or not.
3. Check the disk surface. Are there
any scratches, abrasions or pits
on the surface?
4. Replace the CD-ROM.
5. Replace display & NAVI control
unit.
CD-ROM is abnormal.
Please check the disc.
Inserted map CD-ROM can not be
read.
Map CD-ROM or CD-ROM driver of
the unit is malfunctioning.
Connection to the follow-
ing unit is abnormal. See
the Service Manual for
further diagnosis.
GPS antenna connection error is
detected.
1. Check GPS antenna feeder cable
connection at display & NAVI
control unit.
2. Visually check GPS antenna
feeder cable. If NG, replace GPS
antenna assembly.
3. Replace GPS antenna.
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
IDX
NAVIGATION SYSTEM
Self-diagnosis Mode (Cont’d)
EL-399
Confirmation/Adjustment Mode
=NBEL0232
“ERROR HISTORY” MODE
NBEL0232S01
Description
NBEL0232S0101
In this mode, historical errors of the system are displayed with the
following data.
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How many times the error was detected
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The last time data when the error was detected
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The last place where the error was detected
NOTE:
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The number of errors can be counted up to 50 times. More
than 51 times will be indicated as 50 times.
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Malfunction of the GPS board (inside the display & NAVI
control unit) will result in the display of incorrect time
data.
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When an error occurs, an incorrect position marker
appears on the display. The accuracy of the display data
(position marker) will be affected.
SEL584X
How to Perform
NBEL0232S0102
1.
Start the engine.
2.
Push both “MAP” and “D/N” switch at the same time for more
than 5 seconds.
3.
Touch “Confirmation/ adjustment”.
SEL588X
4.
Touch “Navigation”.
SEL589X
5.
Touch “Error history”.
NAVIGATION SYSTEM
Confirmation/Adjustment Mode
EL-400
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