Page 2562 of 2893

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Symptom Diagnostic procedure Also check for
23-276
Navigation System
Symptom Troubleshooting Index
Navigation system stays on the GPS
initialization screen
System Initialization (see page
23-268) Navigation unit
GPS antenna/cable is
disconnected or damaged
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Vehicle position icon constantly
leaves road, moves erratically, or is
displayed very far from actual
vehicle position Symptom Troubleshooting
(see page 23-344)
Navigation unit
GPS antenna/cable
ECM/PCM (speed and fuel pulses)
Harness/fuses/switches
System always comes up in in-line
diagnostic mode Symptom Troubleshooting
(see page 23-347)
Navigation system will not accept
security code Symptom Troubleshooting
(see page 23-353)The wrong color DVD is installed
Navigation frequently asks for anti-
theft code and/or needs GPS
initialization Symptom Troubleshooting
(see page 23-350)
Loss of voltage or poor ground
(G504, G505)
Navigation unit
Low battery voltage
Harness/fuses/switches
GPS icon is white or not shown Symptom Troubleshooting (see page 23-341) Navigation unit
Aftermarket accessories
connected to the system
The wrong color DVD is installed
The DVD is damaged or dirty
GPS antenna/cable
Harness/fuses/switches
Vehicle icon wanders across the
map when driving (does not follow a
displayed road) or map or vehicle
ICON spins Symptom Troubleshooting
(see page 23-345)
Navigation unit
GPS antenna/cable
ECM/PCM (speed signal)
No picture is displayed Symptom Tr oubleshooting
(see page 23-338) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
Picture has lines/rolls/other issues
or is an odd color Symptom Troubleshooting
(see page 23-339) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Aftermarket accessories
connected to the system
Harness/fuses/switches
Display day/night mode does not
work or does not work properly If you use the display mode
button, the auto day/night
function is disabled until you turn
the ignition switch to ON (II)
Symptom Troubleshooting
(see page 23-348)Display brightness set to High in
day or night mode
Gauge control module
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
System locks up or freezes
constantly Symptom Troubleshooting
(see page 23-348) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Harness/fuses/switches
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Page 2563 of 2893

SymptomDiagnostic procedure Also check for
23-277
Voice guidance cannot be heard, is
broken up, or there is static
Symptom Troubleshooting
(see page 23-341) Volume or voice feedback setting
(see Owner’s manual)
Navigation unit
Stereo amplifier
Harness/fuses/switches
Voice control does not work/
respond Symptom Troubleshooting
(see page 23-342) Navigation unit
The wrong color DVD is installed
The DVD is damaged or dirty
Microphone harness/switches
HandsFreeLink control unit
Navigation cannot control HVAC by
voice command Symptom Troubleshooting
(see page 23-346) The wrong color DVD is installed
Harness/fuses/switches
Wrong navigation unit (model
code)
Navigation cannot control XM radio Symptom Troubleshooting (see page 23-350)Low or weak battery
Navigation cannot control audio
system Symptom Troubleshooting
(see page 23-349)Wrong color DVD
Navigation display buttons do not
work or respond properly Symptom Troubleshooting
(see page 23-340) Navigation unit
Open/short between the XM
receiver or the GA-Net bus
The wrong color DVD is installed
The DVD is damaged or dirty
Today’s Destinations button is dim
and not selectable in the Enter
destination by screen (grayed-out) The client has not entered a group
of locations for Today’s Destinations.
This is normal. The button is only
selectable if the client is using this
functionSee Owner’s Manual
Some set-up and information
functions of the navigation system
are grayed-out and do not work Client did not select OK from
Disclaimer screen. Refer to System
Function Diagram (see page 23-289)
Previous Destinations button is dim
and not selectable in the Enter
destination by screen (grayed-out) The vehicle may be new, or the
customer deleted the destination.
Enter a destination, and allow the
system to route to it. After the trip,
the Previous Destinations button
will be selectable
Address cannot be found or system
gives poor routing Verify proper operation and
system limitations using the
owner’s manual.
See Answering client question
Navigation coverage in general
troubleshooting
Refer to Database limitation in the
navigation system manual to
report database errorsDatabase limitations (address not
in database)
The wrong color DVD is installed
OPEN/CLOSE function of the display
does not work Symptom Troubleshooting
(see page 23-351) Navigation unit
Harness
Navigation display will not close Symptom Troubleshooting (see page 23-352) Navigation unit
Harness
Navigation display does not open or
opens part way Symptom Troubleshooting
(see page 23-352) Navigation unit
Harness
(cont’d)
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Page 2564 of 2893

SymptomDiagnostic procedure Also check for
23-278Navigation System
Symptom Troubleshooting Index (cont’d)
PC card will not play/card icon on
audio screen cannot be selected
Symptom Troubleshooting
(see page 23-234)Navigation unit
Navigation display stays on with
ignition switch in LOCK (0) Symptom Troubleshooting
(see page 23-349) Harness/fuses/switches
Aftermarket accessories
connected to the system
DVD read error messages Symptom Troubleshooting (see page 23-346) Navigation unit
The wrong color DVD is installed
Damaged DVD
Navigation system will not go
beyond the disclaimer screen and
displays the OK button See navigation display buttons do
not work or respond properly
The wrong color DVD is installed
Scratched or damaged DVD
Navigation unit
The navigation anti-theft code card
is lost or missing See anti-theft feature (see page
23-266)
The vehicle icon lags behind when
the vehicle turns See self-inertial navigation
limitations (see page 23-266) Aftermarket accessories
connected to the system
GPS antenna/cable
Navigation screen is darker than
normal or takes time to brighten
when it is cold See LCD unit limitations (see page
23-267)
The navigation clock is off by 1 to 3
hours after replacing the navigation
unit See service precautions (see page
23-268)
Perform map matching (see page
23-269)
GPS antenna/cable
Check and adjust the clock
settings
A new navigation DVD is needed See obtaining a navigation DVD (see page 23-269)
Time is not correct Reset Time Adjustment in set-up The wrong colored DVD or version is installed
The DVD is scratched or dirty See DVD Handling and Cleaning (see page 23-270)Navigation unit
The wrong DVD was installed and
now the system does not function
properly See Precaution client Sneak
Previews (see page 23-272)
Install the correct version DVD
Check any official Honda service
website for more service
information about the navigation
system.
A specific city cannot be found See How to answer client questions about navigation coverage
(see page 23-272) The DVD is scratched or dirty
Refer to Database limitation in the
navigation system manual to
report database errors
The Honda Globe Screen (not the
Acura Globe Screen) appears every
time the vehicle is started Symptom troubleshooting
(see page 23-354)
Also see the symptom The wrong
DVD was installed and now the
system does not function properly
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