2007 INFINITI QX56 display

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INFINITI QX56 2007 Factory Service Manual AV-108
< SERVICE INFORMATION >
NAVIGATION SYSTEM
NAVIGATION
1. The navigation screen will be shown, and items “Display Longi-
tude & Latitude”, “Speed Calibration”, “Angle Adjustment” and

AV-108
< SERVICE INFORMATION >
NAVIGATION SYSTEM
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.
Angle adjustment
• Adjusts turning angle output detected by the gyroscope.
Speed Calibration
GPS RTC
malfunctionClock IC in GPS substrate is malfunctioning. • Correct time may not be displayed.
• After the power is turned on, the system al-
ways 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 interfer-
ence.
GPS anten-
na discon-
nectedMalfunctioning 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 intermit-
tent, caused by impact or vibration.
Low voltage
of GPSThe power voltage supplied to the GPS circuit board has de-
creased.• 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 intermit-
tent, caused by impact or vibration.
DVD-ROM
Malfunction
DVD-ROM
Read error
DVD-ROM
Response Er-
rorMalfunctioning 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
WKIA4312E
WKIA4314E