Infiniti I35 (A33). Manual — part 452
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NAVIGATION SYSTEM
Wiring Diagram — NAVI — (Cont’d)
EL-409
Self-diagnosis Mode
NHEL0299
APPLICATION ITEMS
NHEL0299S01
Mode
Description
Reference
page
Self Diagnosis
Self-diagnosis for Navigation, Display and GPS Antenna
connection.
Confirmation/
adjustment
Diagnose the Display
Color and gray gradation of display can be checked in
this mode.
Diagnosis for Signals from the Car
Several input signals to NAVI control unit, can be moni-
tored in this mode.
Navigation
Check the map CD-
ROM version
The version (parts number) of inserted CD-ROM can be
checked in this model.
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.
SEL631X
HOW TO PERFORM SELF-DIAGNOSIS MODE
NHEL0299S02
1.
Start the engine.
2.
Push “OPEN/CLOSE” switch and then open the display.
3.
Push both of “MAP” and “D/N” switches at the same time for
more than five seconds.
SEL527X
4.
Select “Self Diagnosis” or “Confirmation/ adjustment”.
I
For further procedure, refer to the following pages which
describe each application item of the self-diagnosis mode.
NAVIGATION SYSTEM
Self-diagnosis Mode
EL-410
SEL527X
“Self Diagnosis”
NHEL0299S0201
1.
Start the engine.
2.
Push “OPEN/CLOSE” switch and then open the display.
3.
Push both “MAP” and “D/N” switches at the same time for more
than 5 seconds.
4.
Select “Self Diagnosis”.
SEL528X
5.
Self-diagnosis will be performed.
SEL529X
6.
Diagnosis results will be displayed. Diagnosis results are indi-
cated by display color. For details refer to EL-412, “SELF-DI-
AGNOSIS RESULTS”.
SEL530X
To obtain detailed diagnosis results on the screen, touch “Naviga-
tion” or “Display” or “GPS Antenna”.
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NAVIGATION SYSTEM
Self-diagnosis Mode (Cont’d)
EL-411
SELF-DIAGNOSIS RESULTS
=NHEL0299S03
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
connection)
Green
—
GPS antenna is connected to 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 NAVI control unit.
2. Visually check GPS antenna
feeder cable. If NG, replace GPS
antenna assembly.
3. Replace GPS antenna.
“Navigation”
Green
—
No failure is detected.
—
Red
[*** is abnormal.]
NAVI control unit is malfunctioning.
Replace NAVI control unit.
Gray
Self-diagnosis for CD-
ROM DRIVER of NAVI
was not conducted due to
no insertion of CD-ROM.
Any CD-ROM is not inserted or
NAVI control unit is malfunctioning.
1. Confirm that map CD-ROM is not
inserted into NAVI control unit.
2. Replace NAVI control unit.
Yellow
CD-ROM or CD-ROM
DRIVER of NAVI is
abnormal. See the Ser-
vice Manual for further
diagnosis.
NAVI control unit judges that
inserted CD-ROM is malfunctioning.
Map CD-ROM or CD-ROM driver of
the unit is malfunctioning.
1. Confirm the disc is installed cor-
rectly (not up side down.)
2. Perform “Check the Map
CD-ROM version MODE” in
EL-418 to confirm whether cor-
rect CD-ROM is inserted or not.
3. Check the disc surface. Are there
any scratches, abrasions or pits
on the surface?
4. Replace the CD-ROM.
5. Replace 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 NAVI control unit.
2. Visually check GPS antenna
feeder cable. If NG, replace GPS
antenna assembly.
3. Replace GPS antenna.
NOTE:
Connection between NAVI control unit and display unit should be
normal. Therefore, “Display connection error” will not occur when
the display can be opened or closed properly.
NAVIGATION SYSTEM
Self-diagnosis Mode (Cont’d)
EL-412
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