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)
08/08/21 14:15:41 61SNR030_230_0280
ProCarManuals.com
DYNOMITE -2009-
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
08/08/21 14:15:41 61SNR030_230_0281
ProCarManuals.com
DYNOMITE -2009-
(#'#
)
Overview
23-279
System Description
The navigation system is a highly sophisticated, hybrid locating system.
The navigation unit uses global positioning system (GPS) satellite signals, internal yaw and vehicle speed inputs, and
a map database to show where the vehicle is and to help guide you to a desired destination.
The navigation unit’s GPS receiver receives signals from the GPS, a network of 24 satellites in orbit ar ound the earth.
By receiving signals from several of these satellites, the navigation system can determine the latitude, l ongitude, and
elevation of the vehicle.
Signals from the system’s yaw rate sensor (inside the navigation unit) detects turns, and the ECM/PCM vehicle speed
pulse (VSP) and reverse signal enable the system to keep track of the vehicle’s speed and direction of travel. The
advantage of this hybrid system is that the system can track your position if either the GPS signal or the vehicle speed
signal is missing. For instance, when in a tunnel (no GPS), the speed signal is used to update your position on the map.
Alternately, while the vehicle is being transported on a ferry, GPS signals can show the vehicle position on the map as
it crosses the water.
The navigation system uses the location, direction, and speed information to display the appropriate map and
calculate a route to the destination entered. As you drive to a destination, the system provides both visual and audio
guidance. Audio guidance is sent to the audio unit, and an RGB graphics color signal is sent to the navigation display.
This navigation system also has voice recognition that allows voice control of most of the navigation, and audio
functions. The voice control switches (navigation TALK and navigation BACK buttons on the steering wheel) activate
the voice control system. The microphone on the ce iling receives your voice commands. For more information on this
feature, consult the navigation owner’s guide.
The illumination signal is used by the navigation unit to automatically switch the display mode between the Night and
Day display modes. When the headlights are on, the dash brightness control setting full brightness overrides the Night
display mode, and allows a daytime navigation display with the lights on.
When the navigation system is giving voice guidance commands, the front speakers are muted. When the voice
control system is being used (navigation TALK button pressed), all of the speakers are muted.
The internal GA-Net II bus passes information back and forth between the navigation display, the navigation unit, and
the audio system components. The information passed on this bus are touch button commands, audio muting signal,
audio (radio and XM), and any open in these bus lines can affect the navigation system or other audio accessory
operation.
The clock on the navigation display is set and maintained by the navigation unit. The time is automatically adjusted for
daylight savings, and time zone changes while driving. The time can be adjusted in setup.
Additional information is available about the navigation components following the System Diagram. A glossary of
terms that are used throughout this section follows the detailed information.
The Navigation System Manual in the glove box covers all of the system functions and settings. Use this as a resource
when evaluating a customer concern.
The Comm.Bus connects the HFL and the navigation unit.
If a POI phone number is available, the navigation unit sends the phone number (on the calcurate route to screen) to
the HandsFreeLink control unit for dialing.
(cont’d)
08/08/21 14:15:41 61SNR030_230_0282
ProCarManuals.com
DYNOMITE -2009-
Î
23-280Navigation System
System Description (cont’d)
Reverse signal
GPS antenna
AM/FM antenna Speakers
Navigation unit
Navi DVD
Navigation/Audio Display Screen
CLOCK
(Set by GPS)Color
signal
XM antenna
(satellite &
terrestrial)
Auxiliary jack
assembly
Audio remote
switches
(steering wheel)
Illumination
Signal
(lighted buttons)
AM/FM
receiverCD Player
(CD, MP3, WMA)
Audio
processor
PC Card Slot (for playing audio
MP3, and WMA audio files) Navi
processor
(ECU)
GPS
receiver
Yaw rate sensor
(senses turning)
DVD player
(navi maps)
GA-net
Audio
Section
Navigaion
Section
Illumination
(Night/Day
display mode)
ECM/PCM
(vehicle speed pulses) Voice control switch
USB Adapter unit
XM Receiver HandsFreeLink
control unitMicrophone
HFL TALK/BACK
buttons
Navigation
TALK/BACK
buttons
Stereo Amplifier
(Type S model)
Climate
control unit
08/08/21 14:15:42 61SNR030_230_0283
ProCarManuals.com
DYNOMITE -2009-
Î
Î
Navigation Function
Function Diagram
Vehicle Speed Pulse
23-281
STEERING BUTTONSHANDSFREELINK
CONTROL UNIT
AUDIO UNIT
LCD
SWITCH
Destination
DVD-ROM
YAW RATE SENSOR GPS tuning
GPS RECEIVER
NAVIGATION UNIT
GPS ANTENNA Reception of radio
wave from satellite
Data pcocess
concerning map
and vehivle position
Perception of
vehicle position
ECM/PCM
(VEHICLE SPEED PULSE)
Detection of
travel distansce Detection of
vehicle position
Detection of
direction change
Correction of
map matching
Map scroll
Change of reduced
scale of map Guide
processing Audio
guidance
NAVIGATION
DISPLAY
VOICE
PROMPTS
GA-Net bus
USB ADAPTER UNIT
XM RECEIVER MICROPHONE
Sensor power
NAVIGATION UNIT
ECM/PCM DISTANCE
DETECTION
CIRCUIT
The navigation system is composed of the navigation unit, the ECM/PCM (vehicle speed signal), the GPS antenna,
microphone, voice control switch, XM receiver, and the climate control unit.
These units communicate with each other on the GA-Net bus.
The vehicle speed pulse is sent by the ECM/PCM. The ECM/PCM receives a signal from the output shaft (countershaft)
speed sensor, then it processes the signal and transmits it to the speedometer and other systems.
(cont’d)
08/08/21 14:15:42 61SNR030_230_0284
ProCarManuals.com
DYNOMITE -2009-
ÎGlobal Positioning System (GPS)
Position Detection Image with GPS Satellite
Precision of GPS
GPS ICONCOLOR NUMBER OF
SATELLITES CONDITION DESCRIPTION
GPS Antenna
GPS Receiver and Clock
23-284 Navigation System
System Description (cont’d)
The global positioning system (GPS) enables the navigation system to determine the current position of the vehicle by
using the signals transmitted from the satellites in orbit around the earth. The sate
llites transmit the satellite
identification signal, orbit information, transmission time signal, and other information. When the GPS receiver
receives a signal from four or more satellites simultaneously, it calculates the current position of the vehicle based on
the distance to each satellite and the satellite’s positions in its respective orbit.
The precision of the GPS varies according to the number of satellites from which signals are received and the view of
the sky. The accuracy is indicated by the color and shape of the GPS icon shown on the display.
No GPS icon None Faulty reception The GPS can’t be utilized due to a faulty GPS receiver, open in the wire, or other
fault or interference.
White GPS icon 2 or less Impossible to detect vehicle positionGPS function is normal. The satellite
signals received by the GPS are too few to
detect the vehicle position.
Green GPS icon 3 Vehicle position detectable in 2 dimensionsThe longitude and latitude of the vehicle
position can be detected. (Less precise
than detection in three dimensions)
4 or more Vehicle position detectable in 3 dimensions (elevation
displayed) The longitude, latitude and the altitude of
the vehicle position can be detected. (More
precise than detection in two dimensions)
The GPS antenna amplifies and transmits the signals received from the satellites to the GPS receiver.
The GPS receiver is built into the navigation unit. It calculates the vehicle position by receiving the signal from the GPS
antenna. The current time vehicle position and signal reception condition is transmitted from the GPS receiver to the
navigation unit to adjust vehicle position.
08/08/21 14:15:43 61SNR030_230_0287
ProCarManuals.com
DYNOMITE -2009-
µ
µ µ
µ
µ
Navigation Unit
Calculation of Vehicle Position
Map Matching Tuning
GPS Tuning
Distance Tuning
Route Guidance
Audio Guidance
DVD-ROM
23-285
The navigation unit calculates the vehicle position and guides you to the destination. The unit performs map matching
correction, GPS correction, and distance tuning. It also controls the menu functions and the DVD-ROM drive, and
interprets voice commands. With control of all these items, the navigation unit makes the navigation picture signal,
then it transmits the signal to the navigation display and audio driving instructions to the audio unit.
The navigation unit calculates the vehicle position (the driving direction and the current position) by receiving the
directional change signals from the yaw rate sensor and the travel distance signals from the PCMs vehicle speed pulse
(VSP) signal.
The map matching tuning is accomplished by indicating the vehicle position on the roads on the map. The map data
transmitted from the DVD-ROM is checked against the vehicle position data, and the vehicle position is indicated on
the nearest road. Map matching tuning does not occur when the vehicle travels on a road not shown on the map, or
when the vehicle position is far away from a road on the map.
The GPS tuning is accomplished by indicating the vehicle position as the GPS’s vehicle position. The navigation unit
compares its calculated vehicle position data with the GPS vehicle position data. If there is large difference between
the two, the indicated vehicle position is adjusted to the GPS vehicle position.
The distance tuning reduces the difference between the travel distance signal from the VSP and the distance data on
the map. The navigation unit compares its calculated vehicle position data with the GPS vehicle position data. The
navigation unit then decreases the tuning value when the vehicle position is always ahead of the GPS vehicle position,
and it increases the tuning value when the vehicle position is always behind the GPS vehicle position.
The navigation unit can calculate different routes to a selected destination. You have five options:
Direct Route Calculate a route that is the most direct.
Easy Route Calculate a route that minimizes the number of turns needed.
Minimize Freeways Calculate a route that avoids freeway travel. If that is not possible, keep the am ount of
freeway travel to a minimum.
Minimize Toll Roads Calculate a route that avoids, or minimizes travel on toll roads.
Maximize Freeways Calculate a route that uses freeways as much as possible.
The navigation unit transmits audio driving instructions before entering an intersection or passing a junction.
The audio instructions come through the audio unit to the front speakers.
NOTE: The front speakers are muted whenever the navigation system is giving guidance commands, and all of the
speakers are muted when the voice control system is being used.
The map data (including all scale rates) is stored in the DVD-ROM. The map data includes: Road distances, road widths, speed limits, traffic regulations, passing time at junction, distances to junctions, and the driving instructions for audio guidance.
Latitude and longitude GPS.
(cont’d)
08/08/21 14:15:43 61SNR030_230_0288
ProCarManuals.com
DYNOMITE -2009-
Î
ÎAudio Unit (Built in the navigation unit)
Navigation Display
Microphone
Navigation TALK Button
Navigation BACK Button
23-286
Navigation System
System Description (cont’d)
NAVIGATION TALK BUTTON
NAVIGATION BACK BUTTON
The audio unit receives the audio driving instructions from the navigation unit, and transmits the instructions through
the front speakers even when the audio system is in use.
The navigation display uses liquid crystal display (LCD). The LCD is a 6.5-inch-diagonal, thin film transistor (TFT),
stripe type with 65,536 color. The color film and fluorescent light are laid out on the back of the liquid crystal film. The
touch sensor on the front of the LCD consists of a touch sensitive resistive membrane with an infinite number of
possible touch locations.
The microphone (on the ceiling, near the front map light) receives voice commands and transmits them to the
navigation unit for interpretation.
Activates the voice control system in the navigation unit to accept voice commands.
Returns the display to the previous screen (similar function as the CANCEL button).
08/08/21 14:15:44 61SNR030_230_0289
ProCarManuals.com
DYNOMITE -2009-