2001 INFINITI QX4 Factory Service Manual

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Page 1585 of 2395

INFINITI QX4 2001 Factory Service Manual Confirmation/Adjustment Mode=NBEL0232ªERROR HISTORYº MODENBEL0232S01DescriptionNBEL0232S0101In this mode, historical errors of the system are displayed with the
following data.
IHow many times the e

Page 1586 of 2395

INFINITI QX4 2001 Factory Service Manual SEL590X
6. If trouble items are displayed with time count, repair/replace
the system according to ªError historyº TABLE, EL-402.
7. If necessary, touch error item to display the time when the error

Page 1587 of 2395

INFINITI QX4 2001 Factory Service Manual ªERROR HISTORYº TABLE=NBEL0232S02
Detected items Description Diagnosis/service procedureRefer-
ence
page
Gyro sensor disconnectedCommunications malfunction between
display & NAVI control unit and in

ªERROR HISTORYº TABLE=NBEL0232S02
Detected items Description Diagnosis/service procedureRefer-
ence
page
Gyro sensor disconnectedCommunications malfunction between
display & NAVI control unit and internal
gyroPerform self-diagnosis to confirm
whether the display & NAVI control unit
is malfunctioning or not. If no failure is
detected, a momentary and/or tempo-
rary malfunction may have been caused
by strong electromagnetic wave interfer-
ence.EL-397
Connection problem of speed
sensorInput malfunction of display & NAVI con-
trol unit and speed sensorCheck vehicle speed sensor signal in
ªDiagnosis for signals from the carº
mode. If the input signal is not detected
correctly, check harness for open or
short between combination meter and
display & NAVI control unit.EL-404
GPS disconnected
Communications malfunction between
display & NAVI control unit and GPS
boardPerform self-diagnosis to confirm
whether the display & NAVI control unit
is malfunctioning or not. If no failure is
detected, a momentary and/or tempo-
rary malfunction may have been caused
by strong electromagnetic wave interfer-
ence.EL-397 GPS transmission cable malfunc-
tion
GPS input line connection error
GPS TCXO overThe transmission circuit of the GPS
board frequency synchronization oscilla-
tor (inside the display & NAVI control
unit) is sending an oscillation frequency
that is greater or less than the set value.A location error occurs. Strong electro-
magnetic wave interference may have
occurred. The GPS antenna may be in a
very hot or very cold environment. This
is usually a temporary malfunction.Ð
GPS TCXO under
GPS ROM malfunction
Internal malfunction of GPS board RAM
or ROM inside the display & NAVI con-
trol unit.Perform self-diagnosis to confirm
whether the display & NAVI control unit
is malfunctioning or not. If no failure is
detected, a momentary and/or tempo-
rary malfunction may have been caused
by strong electromagnetic wave interfer-
ence.EL-397 GPS RAM malfunction
GPS RTC malfunctionMalfunction of GPS board clock IC
inside the display & NAVI control unit.
GPS antenna disconnected ÐPerform self-diagnosis to confirm GPS
antenna connection. If no failure is
detected, a momentary and/or tempo-
rary malfunction may have been caused
by a strong impact.EL-405
Low voltage of GPSPower supply voltage for GPS board
inside the display & NAVI control unit is
low.1. Check power supply circuits for dis-
play & NAVI control unit.EL-417
2. Perform self-diagnosis to confirm
GPS antenna connection.EL-397
3. If above diagnosis results are OK, a
momentary and/or temporary malfunc-
tion may have been caused by a strong
impact.Ð
CD-ROM communication errorCD-ROM driver malfunction (inside the
display & NAVI control unit)Perform self-diagnosis to confirm
whether the display & NAVI control unit
is malfunctioning or not. If no failure is
detected, a momentary and/or tempo-
rary malfunction may have been caused
by strong electromagnetic wave interfer-
ence.EL-397
NAVIGATION SYSTEM
Confirmation/Adjustment Mode (Cont'd)
EL-402

Page 1588 of 2395

INFINITI QX4 2001 Factory Service Manual Detected items Description Diagnosis/service procedureRefer-
ence
page
Loading mechanism malfunction ÐCheck that whether the disc can be
inserted and ejected correctly. If the
loading function does n

Page 1589 of 2395

INFINITI QX4 2001 Factory Service Manual ªDIAGNOSTIC SIGNALS FROM THE CARº MODE=NBEL0232S03DescriptionNBEL0232S0301In ªDiagnostic Signals From the Carº mode, following input signals
to the display & NAVI control unit can be checked on th

Page 1590 of 2395

INFINITI QX4 2001 Factory Service Manual SEL584X
ªCHECK THE MAP CD-ROM VERSIONº MODE=NBEL0232S04How to PerformNBEL0232S04011. Start the engine.
2. Push both ªMAPº and ªD/Nº switches at the same time for more
than 5 seconds.
3. Touch ª

Page 1591 of 2395

INFINITI QX4 2001 Factory Service Manual ªDISPLAY DIAGNOSISº MODE=NBEL0232S05DescriptionNBEL0232S0501Use the ªDiagnosis Displayº mode to check the display color bright-
ness and shading. The display & NAVI control unit must be
replaced i

Page 1592 of 2395

INFINITI QX4 2001 Factory Service Manual ªLONGITUDE & LATITUDEº MODENBEL0232S06DescriptionNBEL0232S0601The ªLongitude & Latitudeº is used to confirm the longitude and
latitude of some optional area point.
SEL584X
How to PerformNBEL0232S0

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